Alqahtani, lamia Saeed; Almudawi, Afran A. Another class of CR-slant warped product submanifolds in nearly trans-Sasakian manifolds. (English) Zbl 07743823 C. R. Acad. Bulg. Sci. 76, No. 6, 827-838 (2023). Reviewer: Angela Slavova (Sofia) MSC: 53B25 53C15 53C40 53C42 53D10 PDFBibTeX XMLCite \textit{l. S. Alqahtani} and \textit{A. A. Almudawi}, C. R. Acad. Bulg. Sci. 76, No. 6, 827--838 (2023; Zbl 07743823) Full Text: DOI
Alqahtani, Lamia S.; Stanković, Mića S. Geometry of CR-slant warped products in nearly trans-Sasakian manifolds. (English) Zbl 07743817 C. R. Acad. Bulg. Sci. 76, No. 1, 12-22 (2023). Reviewer: Petar Popivanov (Sofia) MSC: 53B25 53C15 53C40 53C42 53D10 PDFBibTeX XMLCite \textit{L. S. Alqahtani} and \textit{M. S. Stanković}, C. R. Acad. Bulg. Sci. 76, No. 1, 12--22 (2023; Zbl 07743817) Full Text: DOI
Wang, Wenjie Nullity condition on trans-Sasakian 3-manifolds. (English) Zbl 1524.53130 C. R. Acad. Bulg. Sci. 75, No. 10, 1410-1418 (2022). Reviewer: Petar Popivanov (Sofia) MSC: 53C25 53C15 53D10 PDFBibTeX XMLCite \textit{W. Wang}, C. R. Acad. Bulg. Sci. 75, No. 10, 1410--1418 (2022; Zbl 1524.53130) Full Text: DOI
Nakova, Galia Totally umbilical radical screen transversal half lightlike submanifolds of almost contact B-metric manifolds. (English) Zbl 1488.53048 C. R. Acad. Bulg. Sci. 74, No. 1, 12-22 (2021). Reviewer: Petar Popivanov (Sofia) MSC: 53B25 53C50 53B50 53C42 53C15 PDFBibTeX XMLCite \textit{G. Nakova}, C. R. Acad. Bulg. Sci. 74, No. 1, 12--22 (2021; Zbl 1488.53048) Full Text: DOI arXiv
Nakova, Galia Radical screen transversal half lightlike submanifolds of almost contact \( B \)-metric manifolds. (English) Zbl 1488.53047 C. R. Acad. Bulg. Sci. 73, No. 11, 1499-1509 (2020). Reviewer: Petar Popivanov (Sofia) MSC: 53B25 53C50 53B50 53C42 53C15 53D15 PDFBibTeX XMLCite \textit{G. Nakova}, C. R. Acad. Bulg. Sci. 73, No. 11, 1499--1509 (2020; Zbl 1488.53047) Full Text: DOI arXiv
Karaman, Cagri Statistical anti-Kähler Einstein manifolds. (Statistical anti-Kahler Einstein manifolds.) (English) Zbl 1488.53037 C. R. Acad. Bulg. Sci. 73, No. 10, 1349-1358 (2020). Reviewer: Angela Slavova (Sofia) MSC: 53B12 53B05 53C15 53C21 53C25 PDFBibTeX XMLCite \textit{C. Karaman}, C. R. Acad. Bulg. Sci. 73, No. 10, 1349--1358 (2020; Zbl 1488.53037) Full Text: DOI
Zamkovoy, Simeon Notes on a class of paracontact metric 3-manifolds. (English) Zbl 1488.53124 C. R. Acad. Bulg. Sci. 73, No. 8, 1060-1068 (2020). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53C21 53C25 PDFBibTeX XMLCite \textit{S. Zamkovoy}, C. R. Acad. Bulg. Sci. 73, No. 8, 1060--1068 (2020; Zbl 1488.53124) Full Text: DOI arXiv
Manev, Hristo Almost hypercomplex manifolds with Hermitian-Norden metrics and \(4\)- dimensional indecomposable real Lie algebras depending on two parameters. (English) Zbl 1463.22010 C. R. Acad. Bulg. Sci. 73, No. 5, 589-598 (2020). Reviewer: Petar Popivanov (Sofia) MSC: 22E60 22E15 53C15 53C50 22E30 53C55 PDFBibTeX XMLCite \textit{H. Manev}, C. R. Acad. Bulg. Sci. 73, No. 5, 589--598 (2020; Zbl 1463.22010) Full Text: DOI arXiv
Bozok, Hülya Gün Bi-slant submersions from Kenmotsu manifolds onto Riemannian manifolds. (English) Zbl 1463.53040 C. R. Acad. Bulg. Sci. 73, No. 3, 331-338 (2020). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53B20 53C55 PDFBibTeX XMLCite \textit{H. G. Bozok}, C. R. Acad. Bulg. Sci. 73, No. 3, 331--338 (2020; Zbl 1463.53040) Full Text: Link
Zohrehvand, Mosayeb IFHP transformations on the tangent bundle of a Riemannian manifold with a class of pseudo-Riemannian metrics. (English) Zbl 1463.53049 C. R. Acad. Bulg. Sci. 73, No. 2, 170-178 (2020). Reviewer: Petar Popivanov (Sofia) MSC: 53C20 53C15 PDFBibTeX XMLCite \textit{M. Zohrehvand}, C. R. Acad. Bulg. Sci. 73, No. 2, 170--178 (2020; Zbl 1463.53049) Full Text: DOI
Alqahtani, Lamia Saeed B.-Y. Chen’s inequality for pointwise pseudoslant warped products in Sasakian manifolds. (English) Zbl 1463.53028 C. R. Acad. Bulg. Sci. 73, No. 1, 22-31 (2020). Reviewer: Angela Slavova (Sofia) MSC: 53B25 53C15 53C40 53C42 53D10 53C25 PDFBibTeX XMLCite \textit{L. S. Alqahtani}, C. R. Acad. Bulg. Sci. 73, No. 1, 22--31 (2020; Zbl 1463.53028) Full Text: DOI
Ali, Rifagat; Ali, Akram; Khan, Kamran; Alkhaldi, Ali H. Applications of Hopf’s lemma in contact CR-warped products of \( T \)-space forms. (English) Zbl 1463.53071 C. R. Acad. Bulg. Sci. 72, No. 12, 1616-1625 (2019). Reviewer: Petar Popivanov (Sofia) MSC: 53C40 53C42 53C15 53B25 PDFBibTeX XMLCite \textit{R. Ali} et al., C. R. Acad. Bulg. Sci. 72, No. 12, 1616--1625 (2019; Zbl 1463.53071) Full Text: DOI
Naghi, monia Fouad; Uddin, Siraj; Stanković, Mića S. Another general inequality for bi-warped products in Kenmotsu manifolds. (English) Zbl 1463.53044 C. R. Acad. Bulg. Sci. 72, No. 11, 1458-1467 (2019). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53C40 53C42 53B25 53B20 PDFBibTeX XMLCite \textit{m. F. Naghi} et al., C. R. Acad. Bulg. Sci. 72, No. 11, 1458--1467 (2019; Zbl 1463.53044) Full Text: DOI
Günsen, Seçkin; Onat, Leyla; Kaya, Dilek Açikgöz The warped product manifold as a gradient Ricci soliton and relation to its components. (English) Zbl 1463.53043 C. R. Acad. Bulg. Sci. 72, No. 8, 1015-1023 (2019). Reviewer: Angela Slavova (Sofia) MSC: 53C15 53C24 53C25 PDFBibTeX XMLCite \textit{S. Günsen} et al., C. R. Acad. Bulg. Sci. 72, No. 8, 1015--1023 (2019; Zbl 1463.53043) Full Text: DOI
Osak, Filiz Notes on the Sasaki metrics in cotangent bundles. (English) Zbl 1463.53038 C. R. Acad. Bulg. Sci. 72, No. 7, 871-879 (2019). Reviewer: Angela Slavova (Sofia) MSC: 53C07 53C15 53C25 PDFBibTeX XMLCite \textit{F. Osak}, C. R. Acad. Bulg. Sci. 72, No. 7, 871--879 (2019; Zbl 1463.53038) Full Text: DOI
Salimov, Arif; Fattayev, Habil On a new class of lifts in the coframe bundle. (English) Zbl 1413.53052 C. R. Acad. Bulg. Sci. 71, No. 6, 743-750 (2018). Reviewer: Angela Slavova (Sofia) MSC: 53B35 53C15 PDFBibTeX XMLCite \textit{A. Salimov} and \textit{H. Fattayev}, C. R. Acad. Bulg. Sci. 71, No. 6, 743--750 (2018; Zbl 1413.53052) Full Text: DOI
Manev, Mancho Natural connections with totally skew-symmetric torsion on manifolds with almost contact 3-structure and metrics of Hermitian-Norden type. (English) Zbl 1399.53055 C. R. Acad. Bulg. Sci. 70, No. 11, 1485-1492 (2017). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53C50 53C05 PDFBibTeX XMLCite \textit{M. Manev}, C. R. Acad. Bulg. Sci. 70, No. 11, 1485--1492 (2017; Zbl 1399.53055) Full Text: arXiv
Al-Solamy, Falleh R.; Uddin, Siraj A general inequality for contact CR-warped product submanifolds in cosymplectic space forms. (English) Zbl 1399.53086 C. R. Acad. Bulg. Sci. 70, No. 9, 1195-1206 (2017). Reviewer: Angela Slavova (Sofia) MSC: 53C40 53C42 53C15 53D15 PDFBibTeX XMLCite \textit{F. R. Al-Solamy} and \textit{S. Uddin}, C. R. Acad. Bulg. Sci. 70, No. 9, 1195--1206 (2017; Zbl 1399.53086) Full Text: arXiv
Manev, Mancho Associated Nijenhuis tensors on manifolds with almost contact 3-structure and metrics of Hermitian-Norden type. (English) Zbl 1399.53054 C. R. Acad. Bulg. Sci. 70, No. 7, 917-924 (2017). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53C50 PDFBibTeX XMLCite \textit{M. Manev}, C. R. Acad. Bulg. Sci. 70, No. 7, 917--924 (2017; Zbl 1399.53054)
Nakova, Galia; Manev, Hristo Holomorphic submanifolds of some hypercomplex manifolds with Hermitian and Norden metric. (English) Zbl 1389.53055 C. R. Acad. Bulg. Sci. 70, No. 1, 29-40 (2017). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53C50 53C40 PDFBibTeX XMLCite \textit{G. Nakova} and \textit{H. Manev}, C. R. Acad. Bulg. Sci. 70, No. 1, 29--40 (2017; Zbl 1389.53055) Full Text: arXiv
Blaga, Adara; Crasmareanu, Mircea Golden-statistical structures. (English) Zbl 1374.53050 C. R. Acad. Bulg. Sci. 69, No. 9, 1113-1120 (2016). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53C25 53C05 53C50 PDFBibTeX XMLCite \textit{A. Blaga} and \textit{M. Crasmareanu}, C. R. Acad. Bulg. Sci. 69, No. 9, 1113--1120 (2016; Zbl 1374.53050)
Davidov, Johan; Ul Haq, A.; Mushkarov, Oleg Harmonic proper almost complex structures on Walker 4-maniforlds. (English) Zbl 1363.53053 C. R. Acad. Bulg. Sci. 69, No. 2, 127-134 (2016). Reviewer: Petar Popivanov (Sofia) MSC: 53C42 53C43 PDFBibTeX XMLCite \textit{J. Davidov} et al., C. R. Acad. Bulg. Sci. 69, No. 2, 127--134 (2016; Zbl 1363.53053)
Mushkarov, Oleg; Yankov, Christian Existence of holomorphic functions on nilpotent Lie groups. (English) Zbl 1324.32012 C. R. Acad. Bulg. Sci. 67, No. 9, 1187-1192 (2014). Reviewer: Petar Popivanov (Sofia) MSC: 32Q60 22E30 53C15 PDFBibTeX XMLCite \textit{O. Mushkarov} and \textit{C. Yankov}, C. R. Acad. Bulg. Sci. 67, No. 9, 1187--1192 (2014; Zbl 1324.32012)
Manev, Mancho Tangent bundles with complete lift of the base metric and almost hypercomplex Hermitian-Norden structure. (English) Zbl 1313.53048 C. R. Acad. Bulg. Sci. 67, No. 3, 313-322 (2014). Reviewer: Angela Slavova (Sofia) MSC: 53C15 53C55 PDFBibTeX XMLCite \textit{M. Manev}, C. R. Acad. Bulg. Sci. 67, No. 3, 313--322 (2014; Zbl 1313.53048) Full Text: arXiv
Salimov, A.; Cayir, Hasim Some notes on almost paracontact structures. (English) Zbl 1313.53049 C. R. Acad. Bulg. Sci. 66, No. 3, 331-338 (2013). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{A. Salimov} and \textit{H. Cayir}, C. R. Acad. Bulg. Sci. 66, No. 3, 331--338 (2013; Zbl 1313.53049)
Teofilova, Marta Lie groups as Kähler manifolds with Killing Norden metric. (English) Zbl 1265.53043 C. R. Acad. Bulg. Sci. 65, No. 6, 733-742 (2012). Reviewer: Angela Slavova (Sofia) MSC: 53C15 32Q15 32Q60 53C50 PDFBibTeX XMLCite \textit{M. Teofilova}, C. R. Acad. Bulg. Sci. 65, No. 6, 733--742 (2012; Zbl 1265.53043)
Gribacheva, Dobrinka; Mekerov, Dimitar Natural connections on conformal Riemannian P-manifolds. (English) Zbl 1265.53040 C. R. Acad. Bulg. Sci. 65, No. 5, 581-591 (2012). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53B05 53C25 PDFBibTeX XMLCite \textit{D. Gribacheva} and \textit{D. Mekerov}, C. R. Acad. Bulg. Sci. 65, No. 5, 581--591 (2012; Zbl 1265.53040) Full Text: arXiv
Manev, Mancho; Ivanova, Miroslava A natural connection on some classes of almost contact manifolds with B-metric. (English) Zbl 1265.53033 C. R. Acad. Bulg. Sci. 65, No. 4, 429-436 (2012). Reviewer: Angela Slavova (Sofia) MSC: 53C05 53C15 53D15 PDFBibTeX XMLCite \textit{M. Manev} and \textit{M. Ivanova}, C. R. Acad. Bulg. Sci. 65, No. 4, 429--436 (2012; Zbl 1265.53033) Full Text: arXiv
Manev, Mancho Curvature properties of some classes of almost contact manifolds with B-metric. (English) Zbl 1265.53042 C. R. Acad. Bulg. Sci. 65, No. 3, 283-290 (2012). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53D15 53C50 PDFBibTeX XMLCite \textit{M. Manev}, C. R. Acad. Bulg. Sci. 65, No. 3, 283--290 (2012; Zbl 1265.53042) Full Text: arXiv
Gribacheva, Dobrinka Natural connections on Riemannian product manifolds. (English) Zbl 1289.53077 C. R. Acad. Bulg. Sci. 64, No. 6, 799-806 (2011). Reviewer: Angela Slavova (Sofia) MSC: 53C15 53C25 53B05 PDFBibTeX XMLCite \textit{D. Gribacheva}, C. R. Acad. Bulg. Sci. 64, No. 6, 799--806 (2011; Zbl 1289.53077) Full Text: arXiv
Euh, Yunhee; Sekigawa, Kouei Notes on strictly nearly Kähler Einstein manifolds. (English) Zbl 1289.53076 C. R. Acad. Bulg. Sci. 64, No. 6, 791-798 (2011). Reviewer: Angela Slavova (Sofia) MSC: 53C15 53C21 53C30 53C55 PDFBibTeX XMLCite \textit{Y. Euh} and \textit{K. Sekigawa}, C. R. Acad. Bulg. Sci. 64, No. 6, 791--798 (2011; Zbl 1289.53076)
Mekerov, Dimitar On the geometry of the connection with totally skew-symmetric torsion on almost complex manifolds with Norden metric. (English) Zbl 1224.53059 C. R. Acad. Bulg. Sci. 63, No. 1, 19-28 (2010). Reviewer: Veselka Mihova (Sofia) MSC: 53C15 53B05 53C50 PDFBibTeX XMLCite \textit{D. Mekerov}, C. R. Acad. Bulg. Sci. 63, No. 1, 19--28 (2010; Zbl 1224.53059) Full Text: arXiv
Mekerov, Dimitar Connection with parallel totally skey-symmetric torsion on almost complex manifolds with Norden metric. (English) Zbl 1197.53040 C. R. Acad. Bulg. Sci. 62, No. 12, 1501-1508 (2009). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53B05 53C50 22E60 PDFBibTeX XMLCite \textit{D. Mekerov}, C. R. Acad. Bulg. Sci. 62, No. 12, 1501--1508 (2009; Zbl 1197.53040) Full Text: arXiv
Mekerov, Dimitar P-connections on Riemannian almost product manifolds. (English) Zbl 1199.53085 C. R. Acad. Bulg. Sci. 62, No. 11, 1363-1370 (2009). Reviewer: Petar Popivanov (Sofia) MSC: 53C15 53C25 53B05 PDFBibTeX XMLCite \textit{D. Mekerov}, C. R. Acad. Bulg. Sci. 62, No. 11, 1363--1370 (2009; Zbl 1199.53085) Full Text: arXiv
Mekerov, Dimitar A connection with skew symmetric torsion and Kähler curvature tensor on quasi-Kähler manifolds with Norden metric. (English) Zbl 1199.53084 C. R. Acad. Bulg. Sci. 61, No. 10, 1249-1256 (2008). Reviewer: Johann Davidov (Sofia) MSC: 53C15 53C50 PDFBibTeX XMLCite \textit{D. Mekerov}, C. R. Acad. Bulg. Sci. 61, No. 10, 1249--1256 (2008; Zbl 1199.53084) Full Text: arXiv
Mekerov, Dimitar On the geometry of \(B\)-connection on quasi-Kähler manifolds with Norden metric. (English) Zbl 1199.53083 C. R. Acad. Bulg. Sci. 61, No. 9, 1105-1110 (2008). Reviewer: Johann Davidov (Sofia) MSC: 53C15 53C50 PDFBibTeX XMLCite \textit{D. Mekerov}, C. R. Acad. Bulg. Sci. 61, No. 9, 1105--1110 (2008; Zbl 1199.53083) Full Text: arXiv
Kassabov, O. T. Schur’s theorem for almost Hermitian manifolds. (English) Zbl 0978.53116 C. R. Acad. Bulg. Sci. 54, No. 3, 15-18 (2001). Reviewer: Petar Popivanov (Sofia) MSC: 53C55 32Q60 53B35 53C15 PDFBibTeX XMLCite \textit{O. T. Kassabov}, C. R. Acad. Bulg. Sci. 54, No. 3, 15--18 (2001; Zbl 0978.53116) Full Text: arXiv
Das, L. S. On almost \(r\)-contact structures with derivatives. (English) Zbl 0772.53017 C. R. Acad. Bulg. Sci. 44, No. 8, 17-20 (1991). Reviewer: R.Miron (Iaşi) MSC: 53C15 PDFBibTeX XMLCite \textit{L. S. Das}, C. R. Acad. Bulg. Sci. 44, No. 8, 17--20 (1991; Zbl 0772.53017)
Dzhelepov, G. D. Schur’s theorems in some generalized B-manifolds. (English) Zbl 0697.53028 C. R. Acad. Bulg. Sci. 42, No. 12, 37-40 (1989). Reviewer: G.Stanilov MSC: 53B35 53C15 PDFBibTeX XMLCite \textit{G. D. Dzhelepov}, C. R. Acad. Bulg. Sci. 42, No. 12, 37--40 (1989; Zbl 0697.53028)
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)
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)
Dzhelepov, G. D. A class of generalized B-manifolds of constant totally real sectional curvature. (English) Zbl 0626.53026 C. R. Acad. Bulg. Sci. 40, No. 7, 29-31 (1987). Reviewer: A.Borisov MSC: 53C15 PDFBibTeX XMLCite \textit{G. D. Dzhelepov}, C. R. Acad. Bulg. Sci. 40, No. 7, 29--31 (1987; Zbl 0626.53026)
Dimiev, S. G.; Milev, N. V. Almost holomorphic functions and automorphisms on the manifolds of Thurston-Abbena. (English) Zbl 0617.53036 C. R. Acad. Bulg. Sci. 39, No. 11, 21-24 (1986). Reviewer: C.Udrişte MSC: 53B35 53C15 PDFBibTeX XMLCite \textit{S. G. Dimiev} and \textit{N. V. Milev}, C. R. Acad. Bulg. Sci. 39, No. 11, 21--24 (1986; Zbl 0617.53036)
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)
Momchilov, Kh. A.; Mushkarov, O. K. Some examples of Calabi’s manifolds of type 1. (English) Zbl 0595.53038 C. R. Acad. Bulg. Sci. 39, No. 1, 27-29 (1986). Reviewer: P.M.Gadea MSC: 53C15 53C42 PDFBibTeX XMLCite \textit{Kh. A. Momchilov} and \textit{O. K. Mushkarov}, C. R. Acad. Bulg. Sci. 39, No. 1, 27--29 (1986; Zbl 0595.53038)
Dimiev, S. G. Integral invariants and Hamiltonian systems on almost complex manifolds. (English) Zbl 0594.53032 C. R. Acad. Bulg. Sci. 39, 21-24 (1986). Reviewer: P.M.Gadea MSC: 53C15 58A10 PDFBibTeX XMLCite \textit{S. G. Dimiev}, C. R. Acad. Bulg. Sci. 39, 21--24 (1986; Zbl 0594.53032)
Stambolieva, G. Ts. Relations linéaires dans la classe de toutes les structures presque complexes non-intégrables. (Linear relations in the class of all non- integrable almost complex structures). (French) Zbl 0588.53027 C. R. Acad. Bulg. Sci. 38, 1435-1438 (1985). Reviewer: S.Takizawa MSC: 53C15 PDFBibTeX XMLCite \textit{G. Ts. Stambolieva}, C. R. Acad. Bulg. Sci. 38, 1435--1438 (1985; Zbl 0588.53027)
Pavlov, E. V. Conformally equivalent generalized B-manifolds. (English) Zbl 0587.53038 C. R. Acad. Bulg. Sci. 38, 1315-1317 (1985). Reviewer: G.Stanilov MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{E. V. Pavlov}, C. R. Acad. Bulg. Sci. 38, 1315--1317 (1985; Zbl 0587.53038)
Apostolova, L. N. Nearly Kähler manifolds are holomorphic foliations. (English) Zbl 0587.53027 C. R. Acad. Bulg. Sci. 38, 977-979 (1985). Reviewer: A.Borisov MSC: 53B35 53C15 PDFBibTeX XMLCite \textit{L. N. Apostolova}, C. R. Acad. Bulg. Sci. 38, 977--979 (1985; Zbl 0587.53027)
Gribachev, K. I.; Mekerov, D. G.; Djelepov, G. D. On the geometry of almost B-manifolds. (English) Zbl 0574.53027 C. R. Acad. Bulg. Sci. 38, 563-566 (1985). Reviewer: A.Borisov MSC: 53C15 PDFBibTeX XMLCite \textit{K. I. Gribachev} et al., C. R. Acad. Bulg. Sci. 38, 563--566 (1985; Zbl 0574.53027)
Mekerov, D. G. On some classes of almost B-manifolds. (English) Zbl 0574.53026 C. R. Acad. Bulg. Sci. 38, 559-561 (1985). Reviewer: A.Borisov MSC: 53C15 PDFBibTeX XMLCite \textit{D. G. Mekerov}, C. R. Acad. Bulg. Sci. 38, 559--561 (1985; Zbl 0574.53026)
Gribachev, K. I.; Mekerov, D. G.; Dzhelepov, G. D. Generalized B-manifold. (English) Zbl 0567.53033 C. R. Acad. Bulg. Sci. 38, 299-302 (1985). Reviewer: G.Stanilov MSC: 53C15 53B30 PDFBibTeX XMLCite \textit{K. I. Gribachev} et al., C. R. Acad. Bulg. Sci. 38, 299--302 (1985; Zbl 0567.53033)
Aleksiev, V. A. Almost contact metric manifolds with some conditions for the Riemannian curvature tensor. (English) Zbl 0567.53030 C. R. Acad. Bulg. Sci. 38, 195-198 (1985). Reviewer: V.A.Borisov MSC: 53C15 PDFBibTeX XMLCite \textit{V. A. Aleksiev}, C. R. Acad. Bulg. Sci. 38, 195--198 (1985; Zbl 0567.53030)
Gribachev, K. I.; Dzhelepov, G. D.; Mekerov, D. G. On some subclasses of generalized B-manifold. (English) Zbl 0566.53037 C. R. Acad. Bulg. Sci. 38, 437-440 (1985). Reviewer: A.V.Borisov MSC: 53C15 PDFBibTeX XMLCite \textit{K. I. Gribachev} et al., C. R. Acad. Bulg. Sci. 38, 437--440 (1985; Zbl 0566.53037)
Rangelova, P. P. Antiholomorphic submanifolds in an almost Hermitian manifold. (Russian) Zbl 0569.53028 C. R. Acad. Bulg. Sci. 37, 1015-1018 (1984). Reviewer: J.Vanžura MSC: 53C55 53C42 53C15 PDFBibTeX XMLCite \textit{P. P. Rangelova}, C. R. Acad. Bulg. Sci. 37, 1015--1018 (1984; Zbl 0569.53028)
Dzhelepov, G. D. A note on the existence of HP-transformations. (English) Zbl 0543.53034 C. R. Acad. Bulg. Sci. 37, 291-292 (1984). MSC: 53C15 PDFBibTeX XMLCite \textit{G. D. Dzhelepov}, C. R. Acad. Bulg. Sci. 37, 291--292 (1984; Zbl 0543.53034)
Kassabov, O. T. Four-dimensional conformal flat \(QK_ 3\)-manifolds. (English) Zbl 0534.53035 C. R. Acad. Bulg. Sci. 36, 1289-1290 (1983). Reviewer: L.Vanhecke MSC: 53C15 53B20 PDFBibTeX XMLCite \textit{O. T. Kassabov}, C. R. Acad. Bulg. Sci. 36, 1289--1290 (1983; Zbl 0534.53035) Full Text: arXiv
Mushkarov, O. K. Complex submanifolds of almost complex manifolds. (English) Zbl 0519.53036 C. R. Acad. Bulg. Sci. 36, 763-766 (1983). MSC: 53C15 53C55 53C40 PDFBibTeX XMLCite \textit{O. K. Mushkarov}, C. R. Acad. Bulg. Sci. 36, 763--766 (1983; Zbl 0519.53036)
Arnaudova, E. J. On the local non-existence of almost holomorphic functions on some complex manifolds. (English) Zbl 0537.53024 C. R. Acad. Bulg. Sci. 35, 1341-1344 (1982). Reviewer: S.Ianus MSC: 53B35 53C15 PDFBibTeX XMLCite \textit{E. J. Arnaudova}, C. R. Acad. Bulg. Sci. 35, 1341--1344 (1982; Zbl 0537.53024)
Dimiev, S. G.; Marinov, M. S. Théoreme de type Liouville pour les fonctions presque-pluriharmoniques. (French) Zbl 0529.31010 C. R. Acad. Bulg. Sci. 35, 1345-1348 (1982). MSC: 31C10 53C15 PDFBibTeX XMLCite \textit{S. G. Dimiev} and \textit{M. S. Marinov}, C. R. Acad. Bulg. Sci. 35, 1345--1348 (1982; Zbl 0529.31010)
Apostolova, L. N. Almost quaternionic functions. (English) Zbl 0515.53033 C. R. Acad. Bulg. Sci. 35, 1349-1352 (1982). MSC: 53C15 58A15 46E35 35J45 58J40 PDFBibTeX XMLCite \textit{L. N. Apostolova}, C. R. Acad. Bulg. Sci. 35, 1349--1352 (1982; Zbl 0515.53033)
Gribachev, K. I. Quasiparallel transfer of holomorphic distributions in manifolds with complex structure. (Russian) Zbl 0493.53030 C. R. Acad. Bulg. Sci. 34, 623-626 (1981). MSC: 53C15 53B10 PDFBibTeX XMLCite \textit{K. I. Gribachev}, C. R. Acad. Bulg. Sci. 34, 623--626 (1981; Zbl 0493.53030)
Dube, K. K.; Misra, M. M. Hypersurfaces immersed in an almost hyperbolic Hermitian manifold. (English) Zbl 0487.53059 C. R. Acad. Bulg. Sci. 34, 1343-1345 (1981). MSC: 53C55 53C15 53C40 PDFBibTeX XMLCite \textit{K. K. Dube} and \textit{M. M. Misra}, C. R. Acad. Bulg. Sci. 34, 1343--1345 (1981; Zbl 0487.53059)
Mushkarov, O. K. Almost complex manifolds without almost holomorphic functions. (English) Zbl 0487.53030 C. R. Acad. Bulg. Sci. 34, 1225-1228 (1981). MSC: 53C15 PDFBibTeX XMLCite \textit{O. K. Mushkarov}, C. R. Acad. Bulg. Sci. 34, 1225--1228 (1981; Zbl 0487.53030)
Chaki, M. C.; De, U. C. On a type of Riemannian manifold with conservative conformal curvature tensor. (English) Zbl 0486.53037 C. R. Acad. Bulg. Sci. 34, 965-968 (1981). MSC: 53C25 53C15 53A30 PDFBibTeX XMLCite \textit{M. C. Chaki} and \textit{U. C. De}, C. R. Acad. Bulg. Sci. 34, 965--968 (1981; Zbl 0486.53037)
Alexiev, V. A. Invariant submanifolds of almost contact metric manifolds with vanishing generalized C-Bochner curvature tensor. (English) Zbl 0485.53035 C. R. Acad. Bulg. Sci. 34, 955-958 (1981). MSC: 53C15 53C42 53B25 PDFBibTeX XMLCite \textit{V. A. Alexiev}, C. R. Acad. Bulg. Sci. 34, 955--958 (1981; Zbl 0485.53035)
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. Almost Hermitian manifolds similar to the complex space forms. (English) Zbl 0421.53024 C. R. Acad. Bulg. Sci. 32, 1179-1182 (1979). MSC: 53C15 PDFBibTeX XMLCite \textit{G. T. Gancev}, C. R. Acad. Bulg. Sci. 32, 1179--1182 (1979; Zbl 0421.53024)
Mihova-Nehmer, V. On the generalized common curvature of some subspaces of the tangent space of an almost contact metric manifold. (English) Zbl 0417.53023 C. R. Acad. Bulg. Sci. 32, 1175-1178 (1979). MSC: 53C15 PDFBibTeX XMLCite \textit{V. Mihova-Nehmer}, C. R. Acad. Bulg. Sci. 32, 1175--1178 (1979; Zbl 0417.53023)
Mihova-Nehmer, V. M. On the generalized S-curvature-like tensor field on an almost contact manifold. (English) Zbl 0417.53022 C. R. Acad. Bulg. Sci. 32, 1029-1031 (1979). MSC: 53C15 PDFBibTeX XMLCite \textit{V. M. Mihova-Nehmer}, C. R. Acad. Bulg. Sci. 32, 1029--1031 (1979; Zbl 0417.53022)
Das, Lovejoy S. K. On almost r-contact metric manifold. (English) Zbl 0417.53021 C. R. Acad. Bulg. Sci. 32, 711-714 (1979). MSC: 53C15 PDFBibTeX XMLCite \textit{L. S. K. Das}, C. R. Acad. Bulg. Sci. 32, 711--714 (1979; Zbl 0417.53021)
Ranghelova, P. P. An analog of Smyth’s theorem of almost Hermitian manifold. (English) Zbl 0411.53046 C. R. Acad. Bulg. Sci. 31, 1389-1391 (1978). MSC: 53C55 53C15 53C25 53C40 PDFBibTeX XMLCite \textit{P. P. Ranghelova}, C. R. Acad. Bulg. Sci. 31, 1389--1391 (1978; Zbl 0411.53046)
Mihova-Nehmer, V. On differentiable manifolds with almost contact metric structure and vanishing C-Bochner tensor. (English) Zbl 0402.53021 C. R. Acad. Bulg. Sci. 31, 1253-1256 (1978). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{V. Mihova-Nehmer}, C. R. Acad. Bulg. Sci. 31, 1253--1256 (1978; Zbl 0402.53021)
Stanilov, G. Generalized characteristics of some almost Hermitian manifolds. (English) Zbl 0386.53027 C. R. Acad. Bulg. Sci. 31, 11-14 (1978). MSC: 53C15 53C25 53C55 PDFBibTeX XMLCite \textit{G. Stanilov}, C. R. Acad. Bulg. Sci. 31, 11--14 (1978; Zbl 0386.53027)
Stanilov, Gr.; Mihova-Nehmer, V. Analog of Blair’s theorem in the case of nearly Kähler manifolds. (English) Zbl 0382.53030 C. R. Acad. Bulg. Sci. 30, 977-980 (1977). MSC: 53C15 53B35 53C55 PDFBibTeX XMLCite \textit{Gr. Stanilov} and \textit{V. Mihova-Nehmer}, C. R. Acad. Bulg. Sci. 30, 977--980 (1977; Zbl 0382.53030)
Awasthi, C. P.; Gupta, V. C. Complete lift of Fsub(lambda)-structure in tangent bundle. (English) Zbl 0357.53025 C. R. Acad. Bulg. Sci. 30, 335-338 (1977). MSC: 53C15 PDFBibTeX XMLCite \textit{C. P. Awasthi} and \textit{V. C. Gupta}, C. R. Acad. Bulg. Sci. 30, 335--338 (1977; Zbl 0357.53025)
Stanilov, G. Generalization of Schur’s theorem of Kähler and nearly Kähler manifolds. (English) Zbl 0362.53023 C. R. Acad. Bulg. Sci. 29, 1713-1715 (1976). MSC: 53C15 53C55 PDFBibTeX XMLCite \textit{G. Stanilov}, C. R. Acad. Bulg. Sci. 29, 1713--1715 (1976; Zbl 0362.53023)
Singh, K. D.; Vohra, R. K. Linear connections in an \(f-(3,-1)\)-manifold. (English) Zbl 0329.53027 C. r. Acad. Bulg. Sci. 26, 1305-1307 (1973). MSC: 53C15 53C05 PDFBibTeX XMLCite \textit{K. D. Singh} and \textit{R. K. Vohra}, C. R. Acad. Bulg. Sci. 26, 1305--1307 (1973; Zbl 0329.53027)
Singh, K. D.; Nigam, Aruna Contravariant almost analytic vector fields in an \((f,g,u,v,\lambda)\)-structure manifold. (English) Zbl 0328.53027 C. R. Acad. Bulg. Sci. 26, 1301-1304 (1973). MSC: 53C15 PDFBibTeX XMLCite \textit{K. D. Singh} and \textit{A. Nigam}, C. R. Acad. Bulg. Sci. 26, 1301--1304 (1973; Zbl 0328.53027)
Vohra, U. C. On almost analytic vectors in a strict sense. (English) Zbl 0324.53048 C. r. Acad. Bulg. Sci. 25, 889-891 (1972). MSC: 53C55 53C15 PDFBibTeX XMLCite \textit{U. C. Vohra}, C. R. Acad. Bulg. Sci. 25, 889--891 (1972; Zbl 0324.53048)