Ganchev, Georgi; Kanchev, Krasimir Canonical coordinates and natural equations for minimal time-like surfaces in \(\mathbf{R}^4_2\). (English) Zbl 1455.53085 Kodai Math. J. 43, No. 3, 524-572 (2020). MSC: 53C42 53A10 53B30 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{K. Kanchev}, Kodai Math. J. 43, No. 3, 524--572 (2020; Zbl 1455.53085) Full Text: DOI arXiv Euclid
Ganchev, Georgi; Milousheva, Velichka Surfaces with parallel normalized mean curvature vector field in Euclidean or Minkowski 4-space. (English) Zbl 1499.53076 Filomat 33, No. 4, 1135-1145 (2019). MSC: 53B20 53A07 53A55 53A10 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, Filomat 33, No. 4, 1135--1145 (2019; Zbl 1499.53076) Full Text: DOI arXiv
Ganchev, Georgi; Kanchev, Krasimir Canonical coordinates on minimal time-like surfaces in the \(n\)-dimensional Lorentzian space. (English) Zbl 1488.53015 Serdica Math. J. 45, No. 4, 341-372 (2019). Reviewer: Johann Davidov (Sofia) MSC: 53A10 53B30 53A07 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{K. Kanchev}, Serdica Math. J. 45, No. 4, 341--372 (2019; Zbl 1488.53015)
Ganchev, Georgi; Kanchev, Krasimir Relation between the maximal space-like surfaces in \(\mathbb{R}_{2}^{4} \) and the maximal space-likes surfaces in \( \mathbb{R}_{1}^{3} \). (English) Zbl 1438.53022 C. R. Acad. Bulg. Sci. 72, No. 6, 711-719 (2019). Reviewer: Petar Popivanov (Sofia) MSC: 53A10 53A05 53A35 53B30 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{K. Kanchev}, C. R. Acad. Bulg. Sci. 72, No. 6, 711--719 (2019; Zbl 1438.53022) Full Text: DOI
Ganchev, Georgi; Kanchev, Krasimir Canonical coordinates on minimal time-like surfaces in the n-dimensional Minkowski space. arXiv:1911.10779 Preprint, arXiv:1911.10779 [math.DG] (2019). MSC: 53A10 53B30 BibTeX Cite \textit{G. Ganchev} and \textit{K. Kanchev}, ``Canonical coordinates on minimal time-like surfaces in the n-dimensional Minkowski space'', Preprint, arXiv:1911.10779 [math.DG] (2019) Full Text: arXiv OA License
Ganchev, Georgi; Kanchev, Krasimir Canonical Weierstrass Representations for Maximal Space-like Surfaces in \(\RR^4_2\). arXiv:1906.09935 Preprint, arXiv:1906.09935 [math.DG] (2019). MSC: 53A07 53A35 BibTeX Cite \textit{G. Ganchev} and \textit{K. Kanchev}, ``Canonical Weierstrass Representations for Maximal Space-like Surfaces in $\RR^4_2$'', Preprint, arXiv:1906.09935 [math.DG] (2019) Full Text: arXiv OA License
Ganchev, Georgi; Kanchev, Krasimir Explicit solving of the system of natural PDE’s of minimal space-like surfaces in Minkowski space-time. (English) Zbl 1389.53013 C. R. Acad. Bulg. Sci. 70, No. 6, 761-768 (2017). Reviewer: Angela Slavova (Sofia) MSC: 53A10 53A07 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{K. Kanchev}, C. R. Acad. Bulg. Sci. 70, No. 6, 761--768 (2017; Zbl 1389.53013) Full Text: arXiv
Ganchev, Georgi; Kanchev, Krassimir; Kassabov, Ognian Transition to canonical principal parameters on maximal spacelike surfaces in Minkowski space. (English) Zbl 1488.53016 Serdica Math. J. 42, No. 3-4, 301-310 (2016). Reviewer: Magdalena Daniela Toda (Lubbock) MSC: 53A10 53A05 53B30 PDFBibTeX XMLCite \textit{G. Ganchev} et al., Serdica Math. J. 42, No. 3--4, 301--310 (2016; Zbl 1488.53016)
Aleksieva, Yana; Ganchev, Georgi; Milousheva, Velichka On the theory of Lorentz surfaces with parallel normalized mean curvature vector field in pseudo-Euclidean 4-space. (English) Zbl 1356.53026 J. Korean Math. Soc. 53, No. 5, 1077-1100 (2016). Reviewer: Witold Mozgawa (Lublin) MSC: 53B25 53B30 53A35 PDFBibTeX XMLCite \textit{Y. Aleksieva} et al., J. Korean Math. Soc. 53, No. 5, 1077--1100 (2016; Zbl 1356.53026) Full Text: DOI arXiv
Ganchev, Georgi; Milousheva, Velichka Meridian surfaces of parabolic type in the four-dimensional Minkowski space. (English) Zbl 1345.53020 Mladenov, Ivaïlo M. (ed.) et al., Proceedings of the 17th international conference on geometry, integrability and quantization, Sts. Constantine and Elena (near Varna), Bulgaria, June 5–10, 2015. Sofia: Avangard Prima. 243-255 (2016). MSC: 53B25 53A35 53A55 53B30 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, in: Proceedings of the 17th international conference on geometry, integrability and quantization, Sts. Constantine and Elena (near Varna), Bulgaria, June 5--10, 2015. Sofia: Avangard Prima. 243--255 (2016; Zbl 1345.53020) Full Text: arXiv Euclid
Ganchev, Georgi; Milousheva, Velichka Meridian surfaces of elliptic or hyperbolic type in the four-dimensional Minkowski space. (English) Zbl 1342.53015 Math. Commun. 21, No. 1, 1-21 (2016). MSC: 53A35 53A55 53A10 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, Math. Commun. 21, No. 1, 1--21 (2016; Zbl 1342.53015) Full Text: arXiv Link
Ganchev, Georgi; Kanchev, Krasimir Canonical Weierstrass representations for minimal space-like surfaces in \(\RR^4_1\). arXiv:1612.05504 Preprint, arXiv:1612.05504 [math.DG] (2016). MSC: 53A10 53A07 BibTeX Cite \textit{G. Ganchev} and \textit{K. Kanchev}, ``Canonical Weierstrass representations for minimal space-like surfaces in $\RR^4_1$'', Preprint, arXiv:1612.05504 [math.DG] (2016) Full Text: arXiv OA License
Ganchev, Georgi; Kanchev, Krasimir Canonical Weierstrass representations for minimal surfaces in Euclidean 4-space. arXiv:1609.01606 Preprint, arXiv:1609.01606 [math.DG] (2016). MSC: 53A10 53A05 BibTeX Cite \textit{G. Ganchev} and \textit{K. Kanchev}, ``Canonical Weierstrass representations for minimal surfaces in Euclidean 4-space'', Preprint, arXiv:1609.01606 [math.DG] (2016) Full Text: arXiv OA License
Ganchev, Georgi; Nikolov, Nikolai Weighted sums of the squares of the distances of a point to the sidelines of a triangle. arXiv:1604.05248 Preprint, arXiv:1604.05248 [math.MG] (2016). MSC: 51M04 51M16 BibTeX Cite \textit{G. Ganchev} and \textit{N. Nikolov}, ``Weighted sums of the squares of the distances of a point to the sidelines of a triangle'', Preprint, arXiv:1604.05248 [math.MG] (2016) Full Text: arXiv OA License
Ganchev, Georgi; Mihova, Vesselka A classification of conformally flat Riemannian manifolds locally isometric to hypersurfaces in euclidean or Minkowski space. (English) Zbl 1474.53048 God. Sofiĭ. Univ., Fak. Mat. Inform. 102, 109-132 (2015). MSC: 53A35 53B20 53C18 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, God. Sofiĭ. Univ., Fak. Mat. Inform. 102, 109--132 (2015; Zbl 1474.53048) Full Text: Link
Ganchev, Georgi; Milousheva, Velichka Special classes of meridian surfaces in the four-dimensional Euclidean space. (English) Zbl 1332.53010 Bull. Korean Math. Soc. 52, No. 6, 2035-2045 (2015). MSC: 53A07 53A55 53A10 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, Bull. Korean Math. Soc. 52, No. 6, 2035--2045 (2015; Zbl 1332.53010) Full Text: DOI arXiv
Ganchev, Georgi; Kanchev, Krassimir Explicit solving of the system of natural PDE’s of minimal surfaces in four-dimensional Euclidean space. (English) Zbl 1313.53012 C. R. Acad. Bulg. Sci. 67, No. 5, 623-628 (2014). Reviewer: Petar Popivanov (Sofia) MSC: 53A10 53A05 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{K. Kanchev}, C. R. Acad. Bulg. Sci. 67, No. 5, 623--628 (2014; Zbl 1313.53012) Full Text: arXiv
Ganchev, Georgi; Milousheva, Velichka General rotational surfaces in the 4-dimensional Minkowski space. (English) Zbl 1300.53020 Turk. J. Math. 38, No. 5, 883-895 (2014). MSC: 53B25 53A35 53B30 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, Turk. J. Math. 38, No. 5, 883--895 (2014; Zbl 1300.53020) Full Text: DOI arXiv
Ganchev, Georgi; Milousheva, Velichka Quasi-minimal rotational surfaces in pseudo-Euclidean four-dimensional space. (English) Zbl 1296.53033 Cent. Eur. J. Math. 12, No. 10, 1586-1601 (2014). MSC: 53A35 53B25 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, Cent. Eur. J. Math. 12, No. 10, 1586--1601 (2014; Zbl 1296.53033) Full Text: DOI arXiv
Mihova, Vesselka; Ganchev, Georgi Partial differential equations of time-like Weingarten surfaces in the three-dimensional Minkowski space. (English) Zbl 1474.53040 God. Sofiĭ. Univ., Fak. Mat. Inform. 101, 143-165 (2013). MSC: 53A10 53A05 53A35 PDFBibTeX XMLCite \textit{V. Mihova} and \textit{G. Ganchev}, God. Sofiĭ. Univ., Fak. Mat. Inform. 101, 143--165 (2013; Zbl 1474.53040) Full Text: Link
Ganchev, Georgi; Mihova, Vesselka Directed Riemannian manifolds of point-wise constant relative sectional curvature. (English) Zbl 1313.53023 C. R. Acad. Bulg. Sci. 66, No. 11, 1505-1514 (2013). Reviewer: Petar Popivanov (Sofia) MSC: 53B20 53A05 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, C. R. Acad. Bulg. Sci. 66, No. 11, 1505--1514 (2013; Zbl 1313.53023) Full Text: arXiv
Ganchev, Georgi; Milousheva, Velichka Marginally trapped meridian surfaces of parabolic type in the four-dimensional Minkowski space. (English) Zbl 1278.53022 Int. J. Geom. Methods Mod. Phys. 10, No. 10, Article ID 1350060, 17 p. (2013). MSC: 53B25 53B30 53A35 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, Int. J. Geom. Methods Mod. Phys. 10, No. 10, Article ID 1350060, 17 p. (2013; Zbl 1278.53022) Full Text: DOI arXiv
Ganchev, Georgi; Milousheva, Velichka Timelike surfaces with zero mean curvature in Minkowski 4-space. (English) Zbl 1281.53022 Isr. J. Math. 196, 413-433 (2013). Reviewer: Gheorghe Zet (Iaşi) MSC: 53B25 53B30 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, Isr. J. Math. 196, 413--433 (2013; Zbl 1281.53022) Full Text: DOI arXiv
Ganchev, Georgi; Mihova, Vesselka Space-like Weingarten surfaces in the three-dimensional Minkowski space and their natural partial differential equations. (English) Zbl 1273.53014 Cent. Eur. J. Math. 11, No. 1, 133-148 (2013). Reviewer: Wolfgang Kühnel (Stuttgart) MSC: 53B25 53A10 53B30 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, Cent. Eur. J. Math. 11, No. 1, 133--148 (2013; Zbl 1273.53014) Full Text: DOI arXiv
Ganchev, Georgi; Milousheva, Velichka An invariant theory of surfaces in the four-dimensional Euclidean or Minkowski space. (English) Zbl 1524.53019 PLISKA, Stud. Math. Bulg. 21, 177-200 (2012). MSC: 53A07 53A10 53A35 53A55 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, PLISKA, Stud. Math. Bulg. 21, 177--200 (2012; Zbl 1524.53019) Full Text: Link
Ganchev, Georgi; Milousheva, Velichka An invariant theory of marginally trapped surfaces in the four-dimensional Minkowski space. (English) Zbl 1274.83073 J. Math. Phys. 53, No. 3, 033705, 15 p. (2012). MSC: 83C57 83C75 83A05 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, J. Math. Phys. 53, No. 3, 033705, 15 p. (2012; Zbl 1274.83073) Full Text: DOI arXiv
Ganchev, Georgi; Milousheva, Velichka An invariant theory of spacelike surfaces in the four-dimensional Minkowski space. (English) Zbl 1277.53019 Mediterr. J. Math. 9, No. 2, 267-294 (2012). Reviewer: Fortuné Massamba (Pietermaritzburg) MSC: 53B25 53A35 53B30 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, Mediterr. J. Math. 9, No. 2, 267--294 (2012; Zbl 1277.53019) Full Text: DOI arXiv
Ganchev, Georgi; Milousheva, Velichka Chen rotational surfaces of hyperbolic or elliptic type in four-dimensional Minkowski space. (English) Zbl 1289.53014 C. R. Acad. Bulg. Sci. 64, No. 5, 641-652 (2011). Reviewer: Petar Popivanov (Sofia) MSC: 53A07 53A10 53B30 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, C. R. Acad. Bulg. Sci. 64, No. 5, 641--652 (2011; Zbl 1289.53014) Full Text: arXiv
Ganchev, Georgi; Mihova, Vesselka A Classification of Riemannian manifolds of quasi-constant sectional curvatures. arXiv:1105.3081 Preprint, arXiv:1105.3081 [math.DG] (2011). MSC: 53A35 53B20 BibTeX Cite \textit{G. Ganchev} and \textit{V. Mihova}, ``A Classification of Riemannian manifolds of quasi-constant sectional curvatures'', Preprint, arXiv:1105.3081 [math.DG] (2011) Full Text: arXiv OA License
Mihova, Vesselka; Ganchev, Georgi Time-like Weingarten surfaces with real principal curvatures in the three-dimensional Minkowski space and their natural partial differential equations. arXiv:1105.3652 Preprint, arXiv:1105.3652 [math.DG] (2011). MSC: 53A05 53A10 BibTeX Cite \textit{V. Mihova} and \textit{G. Ganchev}, ``Time-like Weingarten surfaces with real principal curvatures in the three-dimensional Minkowski space and their natural partial differential equations'', Preprint, arXiv:1105.3652 [math.DG] (2011) Full Text: arXiv OA License
Ganchev, Georgi; Mihova, Vesselka Natural PDE’s of Linear Fractional Weingarten surfaces in Euclidean Space. arXiv:1105.3085 Preprint, arXiv:1105.3085 [math.DG] (2011). MSC: 53A05 53A10 BibTeX Cite \textit{G. Ganchev} and \textit{V. Mihova}, ``Natural PDE's of Linear Fractional Weingarten surfaces in Euclidean Space'', Preprint, arXiv:1105.3085 [math.DG] (2011) Full Text: arXiv OA License
Ganchev, Georgi; Milousheva, Velichka Invariants of lines on surfaces in \( \mathbf {R}^{4} \). (English) Zbl 1224.53013 C. R. Acad. Bulg. Sci. 63, No. 6, 835-842 (2010). Reviewer: Veselka Mihova (Sofia) MSC: 53A07 53A10 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, C. R. Acad. Bulg. Sci. 63, No. 6, 835--842 (2010; Zbl 1224.53013) Full Text: arXiv
Ganchev, Georgi; Milousheva, Velichka Invariants and Bonnet-type theorem for surfaces in \(\mathbb R^{4}\). (English) Zbl 1213.53010 Cent. Eur. J. Math. 8, No. 6, 993-1008 (2010). Reviewer: Hans-Peter Schröcker (Innsbruck) MSC: 53A07 53A55 53A10 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, Cent. Eur. J. Math. 8, No. 6, 993--1008 (2010; Zbl 1213.53010) Full Text: DOI arXiv
Ganchev, Georgi; Mihova, Vesselka On the invariant theory of Weingarten surfaces in Euclidean space. (English) Zbl 1201.53003 J. Phys. A, Math. Theor. 43, No. 40, Article ID 405210, 27 p. (2010). MSC: 53A05 53A10 49Q10 53A30 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, J. Phys. A, Math. Theor. 43, No. 40, Article ID 405210, 27 p. (2010; Zbl 1201.53003) Full Text: DOI arXiv
Ganchev, Georgi; Milousheva, Velichka Geometric interpretation of the invariants of a surface in R^4 via the tangent indicatrix and the normal curvature ellipse. arXiv:0905.4453 Preprint, arXiv:0905.4453 [math.DG] (2009). MSC: 53A07 53A10 BibTeX Cite \textit{G. Ganchev} and \textit{V. Milousheva}, ``Geometric interpretation of the invariants of a surface in R^4 via the tangent indicatrix and the normal curvature ellipse'', Preprint, arXiv:0905.4453 [math.DG] (2009) Full Text: arXiv OA License
Ganchev, G. (ed.); Grozdev, Sava (ed.); Manev, Krassimir (ed.); Rusev, Petăr (ed.) Mathematics and education in mathematics. Proceedings of the 37th spring conference of the Union of Bulgarian Mathematicians, Borovets, Bulgaria, April 2–6, 2008. (Matematika i matematichesko obrazovanie.) (Bulgarian, English) Zbl 1214.00024 Sofia: Union of Bulgarian Mathematicians. 441 p. (2008). MSC: 00B25 PDFBibTeX XMLCite \textit{G. Ganchev} (ed.) et al., Matematika i matematichesko obrazovanie (Bulgarian). Sofia: Union of Bulgarian Mathematicians (2008; Zbl 1214.00024)
Ganchev, Georgi; Milousheva, Velichka On the theory of surfaces in the four-dimensional Euclidean space. (English) Zbl 1165.53003 Kodai Math. J. 31, No. 2, 183-198 (2008). Reviewer: Rolf Walter (Dortmund) MSC: 53A04 53B20 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, Kodai Math. J. 31, No. 2, 183--198 (2008; Zbl 1165.53003) Full Text: DOI arXiv
Ganchev, G.; Mihova, V. Warped product Kähler manifolds and Bochner-Kähler metrics. (English) Zbl 1155.53013 J. Geom. Phys. 58, No. 7, 803-824 (2008). Reviewer: Lew Friedland (Geneseo) MSC: 53B35 53C25 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, J. Geom. Phys. 58, No. 7, 803--824 (2008; Zbl 1155.53013) Full Text: DOI arXiv
Ganchev, Georgi; Mihova, Vesselka Kähler manifolds of quasi-constant holomorphic sectional curvatures. (English) Zbl 1140.53010 Cent. Eur. J. Math. 6, No. 1, 43-75 (2008). MSC: 53B35 53B20 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, Cent. Eur. J. Math. 6, No. 1, 43--75 (2008; Zbl 1140.53010) Full Text: DOI arXiv
Ganchev, Georgi Minimal Surfaces in the Three-Dimensional Sphere and Minimal Hypersurfaces of Type Number Two. arXiv:0810.1235 Preprint, arXiv:0810.1235 [math.DG] (2008). MSC: 53A07 53A10 BibTeX Cite \textit{G. Ganchev}, ``Minimal Surfaces in the Three-Dimensional Sphere and Minimal Hypersurfaces of Type Number Two'', Preprint, arXiv:0810.1235 [math.DG] (2008) Full Text: arXiv OA License
Ganchev, Georgi; Milousheva, Velichka Minimal Surfaces in the Four-Dimensional Euclidean Space. arXiv:0806.3334 Preprint, arXiv:0806.3334 [math.DG] (2008). MSC: 53A07 53A10 BibTeX Cite \textit{G. Ganchev} and \textit{V. Milousheva}, ``Minimal Surfaces in the Four-Dimensional Euclidean Space'', Preprint, arXiv:0806.3334 [math.DG] (2008) Full Text: arXiv OA License
Ganchev, Georgi Canonical Weierstrass Representation of Minimal and Maximal Surfaces in the Three-dimensional Minkowski Space. arXiv:0802.2632 Preprint, arXiv:0802.2632 [math.DG] (2008). MSC: 53A35 53B30 BibTeX Cite \textit{G. Ganchev}, ``Canonical Weierstrass Representation of Minimal and Maximal Surfaces in the Three-dimensional Minkowski Space'', Preprint, arXiv:0802.2632 [math.DG] (2008) Full Text: arXiv OA License
Ganchev, Georgi Canonical Weierstrass Representation of Minimal Surfaces in Euclidean Space. arXiv:0802.2374 Preprint, arXiv:0802.2374 [math.DG] (2008). MSC: 53A10 53A05 BibTeX Cite \textit{G. Ganchev}, ``Canonical Weierstrass Representation of Minimal Surfaces in Euclidean Space'', Preprint, arXiv:0802.2374 [math.DG] (2008) Full Text: arXiv OA License
Ganchev, Georgi; Kassabov, Ognian Hermitian manifolds of pointwise constant antiholomorphic sectional curvatures. (English) Zbl 1199.53055 Serdica Math. J. 33, No. 2-3, 377-386 (2007). Reviewer: Lew Friedland (Geneseo) MSC: 53B35 53C55 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{O. Kassabov}, Serdica Math. J. 33, No. 2--3, 377--386 (2007; Zbl 1199.53055) Full Text: arXiv Link
Ganchev, G.; Milousheva, V. A generation of foliated semi-symmetric hypersurfaces in four-dimensional Euclidean space. (English) Zbl 1147.53045 Math. Balk., New Ser. 21, No. 1-2, 97-111 (2007). MSC: 53C40 53B25 53C12 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, Math. Balk., New Ser. 21, No. 1--2, 97--111 (2007; Zbl 1147.53045)
Ganchev, G.; Milousheva, V. Analytical characterization of the minimal and bi-umbilical foliated semi-symmetric hypersurfaces in Euclidean space. (English) Zbl 1174.53030 C. R. Acad. Bulg. Sci. 60, No. 6, 601-606 (2007). Reviewer: Petar Popivanov (Sofia) MSC: 53C40 53C12 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, C. R. Acad. Bulg. Sci. 60, No. 6, 601--606 (2007; Zbl 1174.53030)
Ganchev, Georgi; Mihova, Vesselka Kähler manifolds admitting a flat complex conformal connection. (English) Zbl 1180.53027 Kodai Math. J. 30, No. 2, 237-245 (2007). Reviewer: Sergey M. Ivashkovich (Villeneuve d’Ascq) MSC: 53B35 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, Kodai Math. J. 30, No. 2, 237--245 (2007; Zbl 1180.53027) Full Text: DOI arXiv
Ganchev, Georgi; Milousheva, Velichka On the geometric structure of hypersurfaces of conullity two in Euclidean space. (English) Zbl 1119.53006 Mladenov, Ivaïlo (ed.) et al., Proceedings of the 8th international conference on geometry, integrability and quantization, Sts. Constantine and Elena, Bulgaria, June 9–14, 2006. Sofia: Bulgarian Academy of Sciences (ISBN 978-954-8495-37-0/pbk). 169-183 (2007). MSC: 53A07 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, in: Proceedings of the 8th international conference on geometry, integrability and quantization, Sts. Constantine and Elena (near Varna), Bulgaria, June 9--14, 2006. Sofia: Bulgarian Academy of Sciences. 169--183 (2007; Zbl 1119.53006)
Ganchev, G.; Mihova, V. Kähler metrics generated by functions of the time-like distance in the flat Kähler-Lorentz space. (English) Zbl 1106.53015 J. Geom. Phys. 57, No. 2, 617-640 (2007). MSC: 53B35 53B30 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, J. Geom. Phys. 57, No. 2, 617--640 (2007; Zbl 1106.53015) Full Text: DOI arXiv
Ganchev, G.; Kassabov, O. Hermitian manifolds with flat associated connection. (English) Zbl 1117.53052 Kodai Math. J. 29, No. 2, 281-298 (2006). Reviewer: Zbigniew Olszak (Wrocław) MSC: 53C55 53B35 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{O. Kassabov}, Kodai Math. J. 29, No. 2, 281--298 (2006; Zbl 1117.53052) Full Text: DOI arXiv
Ganchev, G.; Milousheva, V. Foliated semi-symmetric hypersurfaces in Euclidean space with involutive geometric two-dimensional distribution. (English) Zbl 1100.53006 C. R. Acad. Bulg. Sci. 59, No. 1, 5-10 (2006). Reviewer: Petar Popivanov (Sofia) MSC: 53A07 58A30 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, C. R. Acad. Bulg. Sci. 59, No. 1, 5--10 (2006; Zbl 1100.53006)
Popivanov, N. (ed.); Rusev, P. (ed.); Bankov, K. (ed.); Boyvalenkov, P. (ed.); Ganchev, G. (ed.); Mutafchiev, L. (ed.) Mathematics and education in mathematics. Proceedings of the 35th spring conference of the Union of Bulgarian Mathematicians, Borovets, Bulgaria, April 5–8, 2006. (English, Bulgarian) Zbl 1096.00006 Sofia: Union of Bulgarian Mathematicians (ISBN 954-8880-23-7). 481 p. (2006). MSC: 00B25 PDFBibTeX XMLCite \textit{N. Popivanov} (ed.) et al., Mathematics and education in mathematics. Proceedings of the 35th spring conference of the Union of Bulgarian Mathematicians, Borovets, Bulgaria, April 5--8, 2006 (Bulgarian). Sofia: Union of Bulgarian Mathematicians (2006; Zbl 1096.00006)
Ganchev, G.; Milousheva, V. On the theory of two-dimensional surfaces in Euclidean space. (English) Zbl 1072.53506 Dimiev, Stancho (ed.) et al., Trends in complex analysis, differential geometry and mathematical physics.; Proceedings of the 6th international workshop on complex structures and vector fields, St. Konstantin, Bulgaria, September 3–6, 2002. River Edge, NJ: World Scientific (ISBN 981-238-452-9/hbk). 41-50 (2003). MSC: 53A07 53A10 53B20 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, in: Trends in complex analysis, differential geometry and mathematical physics. Proceedings of the 6th international workshop on complex structures and vector fields, St. Konstantin, Bulgaria, September 3--6, 2002. River Edge, NJ: World Scientific. 41--50 (2003; Zbl 1072.53506)
Ganchev, G. Involutive distributions of codimension one in Kähler manifolds. (English) Zbl 1072.53007 Dimiev, Stancho (ed.) et al., Trends in complex analysis, differential geometry and mathematical physics.; Proceedings of the 6th international workshop on complex structures and vector fields, St. Konstantin, Bulgaria, September 3–6, 2002. River Edge, NJ: World Scientific (ISBN 981-238-452-9/hbk). 30-40 (2003). MSC: 53C12 53C55 PDFBibTeX XMLCite \textit{G. Ganchev}, in: Trends in complex analysis, differential geometry and mathematical physics. Proceedings of the 6th international workshop on complex structures and vector fields, St. Konstantin, Bulgaria, September 3--6, 2002. River Edge, NJ: World Scientific. 30--40 (2003; Zbl 1072.53007)
Milousheva, Velitchka; Ganchev, Georgi One-parameter systems of developable surfaces of codimension two in Euclidean space. (English) Zbl 1112.53300 Mladenov, Ivaïlo M. (ed.) et al., Proceedings of the 3rd international conference on geometry, integrability and quantization, Varna, Bulgaria, June 14–23, 2001. Sofia: Coral Press Scientific Publishing (ISBN 954-90618-3-3/pbk). 328-336 (2002). Reviewer: Eric Boeckx (MR1884857) MSC: 53C40 53A07 53B25 PDFBibTeX XMLCite \textit{V. Milousheva} and \textit{G. Ganchev}, in: Proceedings of the 3rd international conference on geometry, integrability and quantization, Sts. Constantine and Elena (near Varna), Bulgaria, June 14--23, 2001. Sofia: Coral Press Scientific Publishing. 328--336 (2002; Zbl 1112.53300)
Ganchev, Georgi; Hristov, Milen Riemannian curvatures of the four basic classes of real hypersurfaces of a complex space form. (English) Zbl 1022.53021 Mladenov, Ivaïlo M. (ed.) et al., Proceedings of the 3rd international conference on geometry, integrability and quantization, Varna, Bulgaria, June 14-23, 2001. Sofia: Coral Press Scientific Publishing. 238-248 (2002). Reviewer: Bang-yen Chen (East Lansing) MSC: 53B25 53D15 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{M. Hristov}, in: Proceedings of the 3rd international conference on geometry, integrability and quantization, Sts. Constantine and Elena (near Varna), Bulgaria, June 14--23, 2001. Sofia: Coral Press Scientific Publishing. 238--248 (2002; Zbl 1022.53021)
Ganchev, Georgi T.; Hristov, Milen Real hypersurfaces of a Kähler manifold (the sixteen classes). (English) Zbl 0996.53035 Dimiev, Stancho (ed.) et al., Perspectives of complex analysis, differential geometry and mathematical physics. Proceedings of the 5th international workshop on complex structures and vector fields, St. Konstantin, Bulgaria, September 3-9, 2000. Singapore: World Scientific. 147-158 (2001). Reviewer: Andrew Bucki (Oklahoma City) MSC: 53C40 53C55 53D15 PDFBibTeX XMLCite \textit{G. T. Ganchev} and \textit{M. Hristov}, in: Perspectives of complex analysis, differential geometry and mathematical physics. Proceedings of the 5th international workshop on complex structures and vector fields, St. Konstantin, Bulgaria, September 3--9, 2000. Singapore: World Scientific. 147--158 (2001; Zbl 0996.53035)
Ganchev, G.; Milousheva, V. Hypersurfaces of conullity two in Euclidean space which are one-parameter systems of torses. (English) Zbl 1017.53007 Dimiev, Stancho (ed.) et al., Perspectives of complex analysis, differential geometry and mathematical physics. Proceedings of the 5th international workshop on complex structures and vector fields, St. Konstantin, Bulgaria, September 3-9, 2000. Singapore: World Scientific. 135-146 (2001). Reviewer: A.A.Borisenko (Khar’kov) MSC: 53A07 53C40 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Milousheva}, in: Perspectives of complex analysis, differential geometry and mathematical physics. Proceedings of the 5th international workshop on complex structures and vector fields, St. Konstantin, Bulgaria, September 3--9, 2000. Singapore: World Scientific. 135--146 (2001; Zbl 1017.53007)
Ganchev, G.; Mihova, V. Hypersurfaces in Euclidean space which are one-parameter families of spheres. (English) Zbl 1017.53006 Dimiev, Stancho (ed.) et al., Perspectives of complex analysis, differential geometry and mathematical physics. Proceedings of the 5th international workshop on complex structures and vector fields, St. Konstantin, Bulgaria, September 3-9, 2000. Singapore: World Scientific. 125-134 (2001). Reviewer: A.A.Borisenko (Khar’kov) MSC: 53A07 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, in: Perspectives of complex analysis, differential geometry and mathematical physics. Proceedings of the 5th international workshop on complex structures and vector fields, St. Konstantin, Bulgaria, September 3--9, 2000. Singapore: World Scientific. 125--134 (2001; Zbl 1017.53006)
Ganchev, Georgi; Ivanov, Stefan Harmonic and holomorphic 1-forms on compact balanced Hermitian manifolds. (English) Zbl 0991.53046 Differ. Geom. Appl. 14, No. 1, 79-93 (2001). Reviewer: Shanyu Ti (Houston) MSC: 53C55 53C15 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{S. Ivanov}, Differ. Geom. Appl. 14, No. 1, 79--93 (2001; Zbl 0991.53046) Full Text: DOI
Ganchev, Georgi; Ivanov, Stefan Holomorphic and Killing vector fields on compact balanced Hermitian manifolds. (English) Zbl 1110.53306 Int. J. Math. 11, No. 1, 15-28 (2000). MSC: 53C55 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{S. Ivanov}, Int. J. Math. 11, No. 1, 15--28 (2000; Zbl 1110.53306) Full Text: DOI
Ganchev, G.; Mihova, V. Riemannian manifolds of quasi-constant sectional curvatures. (English) Zbl 0952.53017 J. Reine Angew. Math. 522, 119-141 (2000). Reviewer: Eric Boeckx (Leuven) MSC: 53C20 53A07 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, J. Reine Angew. Math. 522, 119--141 (2000; Zbl 0952.53017) Full Text: DOI
Ganchev, Georgi; Ivanov, Stefan Compact Hermitian surfaces of Einstein type with respect to the Hermitian connection. (English) Zbl 0953.53045 Monatsh. Math. 123, No. 1, 53-59 (1997). MSC: 53C55 53C25 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{S. Ivanov}, Monatsh. Math. 123, No. 1, 53--59 (1997; Zbl 0953.53045) Full Text: DOI EuDML
Apostolov, Vestislav; Ganchev, Georgi; Ivanov, Stefan Compact Hermitian surfaces of constant antiholomorphic sectional curvatures. (English) Zbl 0898.53025 Proc. Am. Math. Soc. 125, No. 12, 3705-3714 (1997). Reviewer: G.Stanilov (Leipzig) MSC: 53C15 53C55 53B35 PDFBibTeX XMLCite \textit{V. Apostolov} et al., Proc. Am. Math. Soc. 125, No. 12, 3705--3714 (1997; Zbl 0898.53025) Full Text: DOI
Ganchev, Georgi Hermitian and associated curvatures on Hermitian manifolds. (English) Zbl 0840.53050 Sekigawa, Kouei (ed.) et al., Proceedings of the international workshop on almost complex structures, Sofia, Bulgaria, August 20-25, 1992. Singapore: World Scientific. 185-203 (1994). Reviewer: L.Vanhecke (Leuven) MSC: 53C55 PDFBibTeX XMLCite \textit{G. Ganchev}, in: Proceedings of the international workshop on almost complex structures, Sofia, Bulgaria, August 20-25, 1992. Singapore: World Scientific. 185--203 (1994; Zbl 0840.53050)
Ganchev, G.; Mihova, V.; Gribachev, K. Almost contact manifolds with \(B\)-metric. (English) Zbl 0830.53031 Math. Balk., New Ser. 7, No. 3-4, 261-276 (1993). MSC: 53C15 PDFBibTeX XMLCite \textit{G. Ganchev} et al., Math. Balk., New Ser. 7, No. 3--4, 261--276 (1993; Zbl 0830.53031)
Ganchev, G.; Ivanov, S.; Mihova, V. Curvatures on anti-Kaehler manifolds. (English) Zbl 1010.53506 Riv. Mat. Univ. Parma, V. Ser. 2, 249-256 (1993). Reviewer: L.Ornea (Bucureşti) MSC: 53C55 PDFBibTeX XMLCite \textit{G. Ganchev} et al., Riv. Mat. Univ. Parma, V. Ser. 2, 249--256 (1993; Zbl 1010.53506)
Ganchev, G.; Ivanov, S. Characteristic curvatures on complex Riemannian manifolds. (English) Zbl 0795.53065 Riv. Mat. Univ. Parma, V. Ser. 1, 155-162 (1992). Reviewer: Z.Olszak (Wrocław) MSC: 53C56 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{S. Ivanov}, Riv. Mat. Univ. Parma, V. Ser. 1, 155--162 (1992; Zbl 0795.53065)
Ganchev, G. T.; Aleksiev, V. A. Canonical conformal group and its invariants on an almost contact metric manifold. (English) Zbl 0686.53031 C. R. Acad. Bulg. Sci. 42, No. 8, 15-18 (1989). Reviewer: M.Martin MSC: 53C15 PDFBibTeX XMLCite \textit{G. T. Ganchev} and \textit{V. A. Aleksiev}, C. R. Acad. Bulg. Sci. 42, No. 8, 15--18 (1989; Zbl 0686.53031)
Ganchev, Georgi; Mihova, Vesselka On the conformal curvature tensor in the Riemannian and the almost Hermitian geometry. (English) Zbl 0755.53041 God. Sofij. Univ., Fak. Mat. Mekh. 78(1984), No. 1, 158-171 (1988). Reviewer: C.-L.Tiba (Iaşi) MSC: 53C50 53C55 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, God. Sofiĭ. Univ., Fak. Mat. Mekh. 78, No. 1, 158--171 (1988; Zbl 0755.53041)
Borisov, Adriyan; Ganchev, Georgi; Kasabov, Ognyan Curvature properties and isotropic planes of Riemannian and almost Hermitian manifolds of indefinite metrics. (English) Zbl 0753.53041 God. Sofij. Univ., Fak. Mat. Mekh. 78(1984), No. 1, 121-131 (1988). Reviewer: C.-L.Tiba (Iaşi) MSC: 53C50 53C55 PDFBibTeX XMLCite \textit{A. Borisov} et al., God. Sofiĭ. Univ., Fak. Mat. Mekh. 78, No. 1, 121--131 (1988; Zbl 0753.53041) Full Text: arXiv
Aleksiev, V. A.; Ganchev, G. T. On a class of almost contact metric manifolds conformally related to cosymplectic manifolds. (English) Zbl 0659.53034 C. R. Acad. Bulg. Sci. 41, No. 10, 21-24 (1988). Reviewer: Z.Olszak MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{V. A. Aleksiev} and \textit{G. T. Ganchev}, C. R. Acad. Bulg. Sci. 41, No. 10, 21--24 (1988; Zbl 0659.53034)
Ganchev, Georgi; Mihova, Vesselka Canonical connection and the canonical conformal group of an almost complex manifold with \(B\)-metric. (English) Zbl 0818.53043 God. Sofij. Univ., Fak. Mat. Inform. 81(1994), No. 1, 195-206 (1987). Reviewer: N.A.Soare (Bucureşti) MSC: 53C15 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, God. Sofiĭ. Univ., Fak. Mat. Inform. 81, No. 1, 195--206 (1987; Zbl 0818.53043)
Ganchev, Georgi; Ivanov, Stefan Semi-symmetric \(W\)-metric connections and the \(W\)-conformal group. (English) Zbl 0818.53030 God. Sofij. Univ., Fak. Mat. Inform. 81(1994), No. 1, 181-193 (1987). Reviewer: N.A.Soare (Bucureşti) MSC: 53C05 53C20 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{S. Ivanov}, God. Sofiĭ. Univ., Fak. Mat. Inform. 81, No. 1, 181--193 (1987; Zbl 0818.53030)
Alexiev, Valentin; Ganchev, Georgi Canonical connection on a conformal almost contact metric manifold. (English) Zbl 0817.53017 God. Sofij. Univ., Fak. Mat. Inform. 81(1994), No. 1, 29-38 (1987). Reviewer: R.Roşca (Paris) MSC: 53C15 PDFBibTeX XMLCite \textit{V. Alexiev} and \textit{G. Ganchev}, God. Sofiĭ. Univ., Fak. Mat. Inform. 81, No. 1, 29--38 (1987; Zbl 0817.53017)
Ganchev, Georgi; Gribachev, Kostadin; Mihova, Vesselka B-connections and their conformal invariants on conformally Kähler manifolds with B-metric. (English) Zbl 0638.53021 Publ. Inst. Math., Nouv. Sér. 42(56), 107-121 (1987). Reviewer: L.Ornea MSC: 53B35 53A30 PDFBibTeX XMLCite \textit{G. Ganchev} et al., Publ. Inst. Math., Nouv. Sér. 42(56), 107--121 (1987; Zbl 0638.53021) Full Text: EuDML
Ganchev, Georgi T. On Bochner curvature tensors in almost Hermitian manifolds. (English) Zbl 0622.53013 PLISKA, Stud. Math. Bulg. 9, 33-43 (1987). Reviewer: L.Vanhecke MSC: 53B20 53C15 PDFBibTeX XMLCite \textit{G. T. Ganchev}, PLISKA, Stud. Math. Bulg. 9, 33--43 (1987; Zbl 0622.53013)
Ganchev, G. T.; Ivanov, S. P. The autoparallel plane axiom on a differentiable manifold with a linear connection. (English) Zbl 0619.53015 C. R. Acad. Bulg. Sci. 40, No. 4, 31-34 (1987). Reviewer: Y.Muto MSC: 53B05 53B10 PDFBibTeX XMLCite \textit{G. T. Ganchev} and \textit{S. P. Ivanov}, C. R. Acad. Bulg. Sci. 40, No. 4, 31--34 (1987; Zbl 0619.53015)
Ganchev, G. T.; Ivanov, S. P. The totally geodesic plane axiom on a differentiable manifold with a linear connection. (English) Zbl 0617.53030 C. R. Acad. Bulg. Sci. 40, No. 1, 33-35 (1987). Reviewer: Z.Olszak MSC: 53B05 PDFBibTeX XMLCite \textit{G. T. Ganchev} and \textit{S. P. Ivanov}, C. R. Acad. Bulg. Sci. 40, No. 1, 33--35 (1987; Zbl 0617.53030)
Ganchev, Georgi; Kassabov, Ognian Kähler manifolds with linear relations between the curvatures of the antiholomorphic tangent subspaces. (Bulgarian. English, Russian summaries) Zbl 0614.53028 God. Sofij. Univ., Fak. Mat. Mekh. 74 (1980), 11-19 (1986). Reviewer: G.Stanilov MSC: 53B35 53C15 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{O. Kassabov}, God. Sofiĭ. Univ., Fak. Mat. Mekh. 74, 11--19 (1986; Zbl 0614.53028)
Ganchev, G. T.; Borisov, A. V. Note on the almost complex manifolds with a Norden metric. (English) Zbl 0608.53031 C. R. Acad. Bulg. Sci. 39, No. 5, 31-34 (1986). Reviewer: A.M.Naveira MSC: 53C15 PDFBibTeX XMLCite \textit{G. T. Ganchev} and \textit{A. V. Borisov}, C. R. Acad. Bulg. Sci. 39, No. 5, 31--34 (1986; Zbl 0608.53031)
Aleksiev, V. A.; Ganchev, G. T. Contact conformal transformations of the almost contact metric structures. (English) Zbl 0601.53032 C. R. Acad. Bulg. Sci. 39, No. 9, 27-30 (1986). Reviewer: K.Ogiue MSC: 53C15 PDFBibTeX XMLCite \textit{V. A. Aleksiev} and \textit{G. T. Ganchev}, C. R. Acad. Bulg. Sci. 39, No. 9, 27--30 (1986; Zbl 0601.53032)
Ganchev, Georgi T.; Aleksiev, Valentin A. On some classes of almost contact metric manifolds. (English) Zbl 0601.53031 Mathematics and education in mathematics, Proc. 15th Spring Conf., Sunny Beach/Bulg. 1986, 186-191 (1986). Reviewer: K.Ogiue MSC: 53C15 PDFBibTeX XML
Aleksiev, Valentin A.; Ganchev, Georgi T. On the classification of the almost contact metric manifolds. (English) Zbl 0601.53030 Mathematics and education in mathematics, Proc. 15th Spring Conf., Sunny Beach/Bulg. 1986, 155-161 (1986). Reviewer: K.Ogiue MSC: 53C15 PDFBibTeX XML Full Text: arXiv
Aleksiev, V.; Ganchev, G. Conformally invariant tensors on an almost contact metric manifold. (Bulgarian. English, Russian summaries) Zbl 0636.53049 Nauchni Tr., Plovdivski Univ., Mat. 23, No. 2, 209-220 (1985). MSC: 53C15 PDFBibTeX XMLCite \textit{V. Aleksiev} and \textit{G. Ganchev}, Nauchni Tr., Plovdivski Univ., Mat. 23, No. 2, 209--220 (1985; Zbl 0636.53049)
Ganchev, G.; Gribachev, K.; Mihova, V. Holomorphic hypersurfaces of Kähler manifolds with a Norden metric. (Bulgarian. English, Russian summaries) Zbl 0636.53033 Nauchni Tr., Plovdivski Univ., Mat. 23, No. 2, 221-237 (1985). MSC: 53B35 53B25 PDFBibTeX XMLCite \textit{G. Ganchev} et al., Nauchni Tr., Plovdivski Univ., Mat. 23, No. 2, 221--237 (1985; Zbl 0636.53033) Full Text: arXiv
Ganchev, G.; Gribachev, K.; Mihova, V. Conformal invariants on conformal Kähler manifolds with a Norden metric. (Bulgarian. English, Russian summaries) Zbl 0636.53032 Nauchni Tr., Plovdivski Univ., Mat. 23, No. 2, 239-246 (1985). MSC: 53B35 PDFBibTeX XMLCite \textit{G. Ganchev} et al., Nauchni Tr., Plovdivski Univ., Mat. 23, No. 2, 239--246 (1985; Zbl 0636.53032)
Ganchev, Georgi T.; Borisov, Adriyan V. Pinching problem and plane axioms for Kaehlerian manifolds with a B- metric. (English) Zbl 0589.53023 Mathematics and education in mathematics, Proc. 14th Spring Conf., Sunny Beach/Bulg. 1985, 227-233 (1985). Reviewer: L.Vanhecke MSC: 53B35 53C15 53C50 PDFBibTeX XML
Borisov, Adriyan; Ganchev, Georgi T. Curvature properties of Kaehlerian manifolds with B-metric. (English) Zbl 0589.53022 Mathematics and education in mathematics, Proc. 14th Spring Conf., Sunny Beach/Bulg. 1985, 220-226 (1985). Reviewer: L.Vanhecke MSC: 53B35 53C15 53B30 PDFBibTeX XML
Ganchev, Georgi; Borisov, Adriyan Isotropic sections and curvature properties of hyperbolic Kaehlerian manifolds. (English) Zbl 0587.53026 Publ. Inst. Math., Nouv. Sér. 38(52), 183-192 (1985). Reviewer: L.Vanhecke MSC: 53B30 53C15 53C50 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{A. Borisov}, Publ. Inst. Math., Nouv. Sér. 38(52), 183--192 (1985; Zbl 0587.53026) Full Text: EuDML
Ganchev, G.; Mihova, V. Conformal invariance of the contact Bochner tensor of holomorphic type for almost contact metric manifolds. (Bulgarian. English, Russian summaries) Zbl 0598.53041 Nauchni Tr., Plovdivski Univ. 21, No. 1, 239-254 (1983). MSC: 53C15 53B35 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Mihova}, Nauchni Tr., Plovdivski Univ. 21, No. 1, 239--254 (1983; Zbl 0598.53041)
Ganchev, G.; Aleksiev, V. On the Bochner curvature tensor of \(\phi\)-antiholomorhic type for an almost contact metric manifold. (Bulgarian. English, Russian summaries) Zbl 0598.53040 Nauchni Tr., Plovdivski Univ. 21, No. 1, 221-237 (1983). MSC: 53C15 53B35 PDFBibTeX XMLCite \textit{G. Ganchev} and \textit{V. Aleksiev}, Nauchni Tr., Plovdivski Univ. 21, No. 1, 221--237 (1983; Zbl 0598.53040)
Ganchev, Georgi T. Almost Hermitian manifolds of the class \(AH_ 3\) of conformal type. (Bulgarian) Zbl 0526.53058 Mathematics and education in mathematics, Proc. 12th Spring. Conf., Sunny Beach/Bulg. 1983, 80-84 (1983). MSC: 53C55 53C15 PDFBibTeX XML
Ganchev, G. Two antiholomorphic operators on J-invariant curvature tensors. (Bulgarian. English, Russian summaries) Zbl 0598.53025 Nauchni Tr., Plovdivski Univ. 20, No. 1, 175-189 (1982). MSC: 53B35 15A72 PDFBibTeX XMLCite \textit{G. Ganchev}, Nauchni Tr., Plovdivski Univ. 20, No. 1, 175--189 (1982; Zbl 0598.53025)
Gancev, G. T.; Kassabov, O. T. Schur’s theorem of antiholomorphic type for quasi-Kaehlerian manifolds. (English) Zbl 0489.53023 C. R. Acad. Bulg. Sci. 35, 307-310 (1982). MSC: 53B35 PDFBibTeX XMLCite \textit{G. T. Gancev} and \textit{O. T. Kassabov}, C. R. Acad. Bulg. Sci. 35, 307--310 (1982; Zbl 0489.53023) Full Text: arXiv
Gancev, G. T.; Kassabov, O. T. Nearly Kaehler manifolds of constant antiholomorphic sectional curvature. (English) Zbl 0489.53022 C. R. Acad. Bulg. Sci. 35, 145-147 (1982). MSC: 53B35 PDFBibTeX XMLCite \textit{G. T. Gancev} and \textit{O. T. Kassabov}, C. R. Acad. Bulg. Sci. 35, 145--147 (1982; Zbl 0489.53022) Full Text: arXiv
Ganchev, Georgi T. Almost Hermitian manifolds of constant type and vanishing generalized tensor of Bochner. (English) Zbl 0521.53029 Serdica 7, 66-75 (1981). MSC: 53B35 53C15 PDFBibTeX XMLCite \textit{G. T. Ganchev}, Serdica 7, 66--75 (1981; Zbl 0521.53029)
Gancev, G. T. Conformal type and Bochner tensors for almost Hermitian manifolds. (English) Zbl 0482.53026 C. R. Acad. Bulg. Sci. 34, 1065-1068 (1981). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{G. T. Gancev}, C. R. Acad. Bulg. Sci. 34, 1065--1068 (1981; Zbl 0482.53026)
Gancev, G. T. Conformal type, Bochner tensor and generalized Bochner tensor for almost Hermitian manifolds with J-invariant curvature tensor. (English) Zbl 0475.53019 C. R. Acad. Bulg. Sci. 34, 945-948 (1981). MSC: 53B20 PDFBibTeX XMLCite \textit{G. T. Gancev}, C. R. Acad. Bulg. Sci. 34, 945--948 (1981; Zbl 0475.53019)
Stefanova, S.; Ganchev, G. Similarity between the first differential circles of two systems of n- dimensional linear subspaces in a biplanar space of hyperbolic type. (Bulgarian. English, Russian summaries) Zbl 0597.53008 Nauchni Tr., Plovdivski Univ. 18, No. 1, 285-292 (1980). MSC: 53A25 PDFBibTeX XMLCite \textit{S. Stefanova} and \textit{G. Ganchev}, Nauchni Tr., Plovdivski Univ. 18, No. 1, 285--292 (1980; Zbl 0597.53008)