Bettiol, Renato G.; Kummer, Mario; Mendes, Ricardo A. E. Convex algebraic geometry of curvature operators. (English) Zbl 07353933 SIAM J. Appl. Algebra Geom. 5, No. 2, 200-228 (2021). MSC: 14P10 53B20 53C21 90C22 PDF BibTeX XML Cite \textit{R. G. Bettiol} et al., SIAM J. Appl. Algebra Geom. 5, No. 2, 200--228 (2021; Zbl 07353933) Full Text: DOI
Bauer, Martin; Klassen, Eric; Preston, Stephen C.; Su, Zhe A diffeomorphism-invariant metric on the space of vector-valued one-forms. (English) Zbl 07347634 Pure Appl. Math. Q. 17, No. 1, 141-183 (2021). MSC: 58D15 58B20 PDF BibTeX XML Cite \textit{M. Bauer} et al., Pure Appl. Math. Q. 17, No. 1, 141--183 (2021; Zbl 07347634) Full Text: DOI
Chen, Haojie; Chen, Lingling; Nie, Xiaolan Chern-Ricci curvatures, holomorphic sectional curvature and Hermitian metrics. (English) Zbl 07344727 Sci. China, Math. 64, No. 4, 763-780 (2021). MSC: 53C55 32Q05 PDF BibTeX XML Cite \textit{H. Chen} et al., Sci. China, Math. 64, No. 4, 763--780 (2021; Zbl 07344727) Full Text: DOI
Cui, Qing; Sun, Linlin A note on rigidity of Einstein four-manifolds with positive sectional curvature. (English) Zbl 07333840 Manuscr. Math. 165, No. 1-2, 269-282 (2021). MSC: 53C25 53C24 PDF BibTeX XML Cite \textit{Q. Cui} and \textit{L. Sun}, Manuscr. Math. 165, No. 1--2, 269--282 (2021; Zbl 07333840) Full Text: DOI
Xia, Wei A note on compact Kähler manifolds with quasi-negative holomorphic sectional curvature. (English) Zbl 1460.32027 Proc. Am. Math. Soc. 149, No. 5, 2051-2055 (2021). MSC: 32J27 32Q15 32Q05 PDF BibTeX XML Cite \textit{W. Xia}, Proc. Am. Math. Soc. 149, No. 5, 2051--2055 (2021; Zbl 1460.32027) Full Text: DOI
Antić, Miroslava; Li, Haizhong; Vrancken, Luc; Wang, Xianfeng Affine hypersurfaces with constant sectional curvature. (English) Zbl 07326760 Pac. J. Math. 310, No. 2, 275-302 (2021). Reviewer: Friedrich Manhart (Wien) MSC: 53A15 53B20 53B25 PDF BibTeX XML Cite \textit{M. Antić} et al., Pac. J. Math. 310, No. 2, 275--302 (2021; Zbl 07326760) Full Text: DOI
Amann, Manuel Bounds on sectional curvature and interactions with topology. (English) Zbl 07323057 Jahresber. Dtsch. Math.-Ver. 123, No. 1, 27-55 (2021). Reviewer: Alexander Engel (Münster) MSC: 53C20 57N65 PDF BibTeX XML Cite \textit{M. Amann}, Jahresber. Dtsch. Math.-Ver. 123, No. 1, 27--55 (2021; Zbl 07323057) Full Text: DOI
Chen, Xiaoyang; Fontenele, Francisco; Xavier, Frederico A conformal characterization of manifolds of constant sectional curvature. (English) Zbl 1460.53038 Arch. Math. 116, No. 2, 233-240 (2021). MSC: 53C20 53C18 PDF BibTeX XML Cite \textit{X. Chen} et al., Arch. Math. 116, No. 2, 233--240 (2021; Zbl 1460.53038) Full Text: DOI
Zhang, Yashan Integral inequalities for holomorphic maps and applications. (English) Zbl 07319092 Trans. Am. Math. Soc. 374, No. 4, 2341-2358 (2021). MSC: 53C55 53E30 PDF BibTeX XML Cite \textit{Y. Zhang}, Trans. Am. Math. Soc. 374, No. 4, 2341--2358 (2021; Zbl 07319092) Full Text: DOI
Lee, Jae Min; Preston, Stephen C. Nonpositive curvature of the quantomorphism group and quasigeostrophic motion. (English) Zbl 1458.35338 Differ. Geom. Appl. 74, Article ID 101698, 21 p. (2021). MSC: 35Q35 76X05 86A05 76M55 53D25 PDF BibTeX XML Cite \textit{J. M. Lee} and \textit{S. C. Preston}, Differ. Geom. Appl. 74, Article ID 101698, 21 p. (2021; Zbl 1458.35338) Full Text: DOI
Jentsch, Tillmann; Weingart, Gregor Jacobi relations on naturally reductive spaces. (English) Zbl 07310543 Ann. Global Anal. Geom. 59, No. 1, 109-156 (2021). MSC: 53C21 53C25 53C30 PDF BibTeX XML Cite \textit{T. Jentsch} and \textit{G. Weingart}, Ann. Global Anal. Geom. 59, No. 1, 109--156 (2021; Zbl 07310543) Full Text: DOI
Wang, Jinhua; Wang, Xiangmei; Li, Chong; Yao, Jen-Chih Convergence analysis of gradient algorithms on Riemannian manifolds without curvature constraints and application to Riemannian mass. (English) Zbl 1457.53022 SIAM J. Optim. 31, No. 1, 172-199 (2021). MSC: 53C20 53C22 90C99 PDF BibTeX XML Cite \textit{J. Wang} et al., SIAM J. Optim. 31, No. 1, 172--199 (2021; Zbl 1457.53022) Full Text: DOI
Wang, Xiangmei An inexact descent algorithm for multicriteria optimizations on general Riemannian manifolds. (English) Zbl 1460.90138 J. Nonlinear Convex Anal. 21, No. 10, 2367-2377 (2020). MSC: 90C25 65K05 PDF BibTeX XML Cite \textit{X. Wang}, J. Nonlinear Convex Anal. 21, No. 10, 2367--2377 (2020; Zbl 1460.90138) Full Text: Link
Cheng, Xiuxiu; Hu, Zejun; Moruz, Marilena; Vrancken, Luc On product affine hyperspheres in \(\mathbb{R}^{n+1}\). (English) Zbl 07343946 Sci. China, Math. 63, No. 10, 2055-2078 (2020). Reviewer: Huili Liu (Shenyang) MSC: 53A15 53B25 53C25 PDF BibTeX XML Cite \textit{X. Cheng} et al., Sci. China, Math. 63, No. 10, 2055--2078 (2020; Zbl 07343946) Full Text: DOI
Rong, Xiaochun; Yao, Xuchao Bounding topology via geometry, \(A\)-simple fundamental groups. (English) Zbl 07338573 Commun. Math. Res. 36, No. 4, 489-505 (2020). MSC: 53C21 53C23 PDF BibTeX XML Cite \textit{X. Rong} and \textit{X. Yao}, Commun. Math. Res. 36, No. 4, 489--505 (2020; Zbl 07338573) Full Text: DOI
Gupta, Garima; Kumar, Rakesh Geometry of half lightlike submanifolds of indefinite Kaehler manifolds with a quarter-symmetric metric connection. (English) Zbl 07333864 Commun. Korean Math. Soc. 35, No. 3, 979-998 (2020). MSC: 53B15 53B25 53B30 PDF BibTeX XML Cite \textit{G. Gupta} and \textit{R. Kumar}, Commun. Korean Math. Soc. 35, No. 3, 979--998 (2020; Zbl 07333864) Full Text: DOI
Matsumura, Shin-Ichi On the image of MRC fibrations of projective manifolds with semi-positive holomorphic sectional curvature. (English) Zbl 07326731 Pure Appl. Math. Q. 16, No. 5, 1443-1463 (2020). MSC: 53C55 14M22 32Q10 PDF BibTeX XML Cite \textit{S.-I. Matsumura}, Pure Appl. Math. Q. 16, No. 5, 1443--1463 (2020; Zbl 07326731) Full Text: DOI
Fu, Jixiang; Sheng, Weimin; Yuan, Lixia Prescribed \(k\)-curvature problems on complete noncompact Riemannian manifolds. (English) Zbl 07323424 Int. Math. Res. Not. 2020, No. 23, 9559-9592 (2020). MSC: 53C21 53C20 35J60 PDF BibTeX XML Cite \textit{J. Fu} et al., Int. Math. Res. Not. 2020, No. 23, 9559--9592 (2020; Zbl 07323424) Full Text: DOI
Sun, Jun; Sun, Linlin Sphere theorems for submanifolds in Kähler manifold. (English) Zbl 07317410 Math. Res. Lett. 27, No. 4, 1195-1236 (2020). MSC: 53C40 53C55 PDF BibTeX XML Cite \textit{J. Sun} and \textit{L. Sun}, Math. Res. Lett. 27, No. 4, 1195--1236 (2020; Zbl 07317410) Full Text: DOI
Wang, Yaning Real hypersurfaces in \(\mathbb{C}P^2\) with constant Reeb sectional curvature. (English) Zbl 1460.53020 Differ. Geom. Appl. 73, Article ID 101683, 10 p. (2020). MSC: 53B25 53D15 PDF BibTeX XML Cite \textit{Y. Wang}, Differ. Geom. Appl. 73, Article ID 101683, 10 p. (2020; Zbl 1460.53020) Full Text: DOI
Klepikov, P. N.; Rodionov, E. D.; Khromova, O. P. Sectional curvature of connections with vectorial torsion. (English. Russian original) Zbl 1458.53043 Russ. Math. 64, No. 6, 75-79 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 6, 86-92 (2020). MSC: 53C20 53C05 PDF BibTeX XML Cite \textit{P. N. Klepikov} et al., Russ. Math. 64, No. 6, 75--79 (2020; Zbl 1458.53043); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 6, 86--92 (2020) Full Text: DOI
Beldjilali, Gherici A new class of golden Riemannian manifold. (English) Zbl 1460.53030 Int. Electron. J. Geom. 13, No. 1, 1-8 (2020). MSC: 53C15 53C25 PDF BibTeX XML Cite \textit{G. Beldjilali}, Int. Electron. J. Geom. 13, No. 1, 1--8 (2020; Zbl 1460.53030) Full Text: DOI
Cheng, Xinyue; Xu, Suiyun On conformal vector fields of general \((\alpha, \beta)\)-metrics. (English) Zbl 07294968 Adv. Math., Beijing 49, No. 4, 453-462 (2020). MSC: 53B40 53C60 PDF BibTeX XML Cite \textit{X. Cheng} and \textit{S. Xu}, Adv. Math., Beijing 49, No. 4, 453--462 (2020; Zbl 07294968) Full Text: DOI
Rajeshwari, M. R.; Narasimhamurthy, S. K.; Roopa, M. K. Conformal vector fields on Finsler square metrics. (English) Zbl 1456.53021 Gulf J. Math. 9, No. 2, 10-20 (2020). Reviewer: Mircea Neagu (Braşov) MSC: 53B40 53C60 PDF BibTeX XML Cite \textit{M. R. Rajeshwari} et al., Gulf J. Math. 9, No. 2, 10--20 (2020; Zbl 1456.53021) Full Text: Link
Stepanov, S. E.; Tsyganok, I. I. On the Tachibana numbers of closed manifolds with pinched negative sectional curvature. (English) Zbl 1456.53032 Differ. Geom. Mnogoobr. Figur 51, 116-122 (2020). Reviewer: Andreas Arvanitoyeorgos (Patras) MSC: 53C20 PDF BibTeX XML Cite \textit{S. E. Stepanov} and \textit{I. I. Tsyganok}, Differ. Geom. Mnogoobr. Figur 51, 116--122 (2020; Zbl 1456.53032) Full Text: DOI
Li, Nan; Naber, Aaron Quantitative estimates on the singular sets of Alexandrov spaces. (English) Zbl 07290709 Peking Math. J. 3, No. 2, 203-234 (2020). MSC: 53C21 53C20 53C23 53C45 53C70 97G10 PDF BibTeX XML Cite \textit{N. Li} and \textit{A. Naber}, Peking Math. J. 3, No. 2, 203--234 (2020; Zbl 07290709) Full Text: DOI
Qi, Feng Some properties of several functions involving polygamma functions and originating from the sectional curvature of the beta manifold. (English) Zbl 1453.33003 São Paulo J. Math. Sci. 14, No. 2, 614-630 (2020). Reviewer: Richard B. Paris (Dundee) MSC: 33B15 26A48 26A51 44A10 PDF BibTeX XML Cite \textit{F. Qi}, São Paulo J. Math. Sci. 14, No. 2, 614--630 (2020; Zbl 1453.33003) Full Text: DOI
Vukmirović, S.; Šukilović, T. Geodesic completeness of the left-invariant metrics on \(\mathbb{R} H^n\). (English) Zbl 1452.53039 Ukr. Math. J. 72, No. 5, 702-711 (2020) and Ukr. Mat. Zh. 72, No. 5, 611-619 (2020). MSC: 53C20 22E15 53C30 PDF BibTeX XML Cite \textit{S. Vukmirović} and \textit{T. Šukilović}, Ukr. Math. J. 72, No. 5, 702--711 (2020; Zbl 1452.53039) Full Text: DOI
Yadav, Sunil Kumar; Chaubey, Sudhakar K. Certain results on submanifolds of generalized Sasakian space-forms. (English) Zbl 1448.53021 Honam Math. J. 42, No. 1, 123-137 (2020). MSC: 53B25 53C25 PDF BibTeX XML Cite \textit{S. K. Yadav} and \textit{S. K. Chaubey}, Honam Math. J. 42, No. 1, 123--137 (2020; Zbl 1448.53021) Full Text: DOI
Hurtado, A.; Palmer, V.; Rosales, C. Intrinsic and extrinsic comparison results for isoperimetric quotients and capacities in weighted manifolds. (English) Zbl 1448.53044 J. Math. Anal. Appl. 492, No. 2, Article ID 124488, 41 p. (2020). MSC: 53C20 PDF BibTeX XML Cite \textit{A. Hurtado} et al., J. Math. Anal. Appl. 492, No. 2, Article ID 124488, 41 p. (2020; Zbl 1448.53044) Full Text: DOI
Kloeckner, Benoît; Sabourau, Stéphane Mixed sectional-Ricci curvature obstructions on tori. (English) Zbl 1457.53020 J. Topol. Anal. 12, No. 3, 713-734 (2020). MSC: 53C20 PDF BibTeX XML Cite \textit{B. Kloeckner} and \textit{S. Sabourau}, J. Topol. Anal. 12, No. 3, 713--734 (2020; Zbl 1457.53020) Full Text: DOI
Li, Haizhong; Ma, Hui; Van der Veken, Joeri; Vrancken, Luc; Wang, Xianfeng Minimal Lagrangian submanifolds of the complex hyperquadric. (English) Zbl 1447.53055 Sci. China, Math. 63, No. 8, 1441-1462 (2020). MSC: 53C42 53D12 53B25 PDF BibTeX XML Cite \textit{H. Li} et al., Sci. China, Math. 63, No. 8, 1441--1462 (2020; Zbl 1447.53055) Full Text: DOI
Amann, Manuel; Kennard, Lee Positive curvature and symmetry in small dimensions. (English) Zbl 1446.53024 Commun. Contemp. Math. 22, No. 6, Article ID 1950053, 57 p. (2020). Reviewer: Andreas Arvanitoyeorgos (Patras) MSC: 53C20 57N65 57R19 PDF BibTeX XML Cite \textit{M. Amann} and \textit{L. Kennard}, Commun. Contemp. Math. 22, No. 6, Article ID 1950053, 57 p. (2020; Zbl 1446.53024) Full Text: DOI
Calle, Maxine; Dunn, Corey Sharp sectional curvature bounds and a new proof of the spectral theorem. (English) Zbl 1446.15012 Involve 13, No. 3, 445-454 (2020). MSC: 15A69 15A63 53C21 PDF BibTeX XML Cite \textit{M. Calle} and \textit{C. Dunn}, Involve 13, No. 3, 445--454 (2020; Zbl 1446.15012) Full Text: DOI
Bryan, Paul; Ivaki, Mohammad N.; Scheuer, Julian Harnack inequalities for curvature flows in Riemannian and Lorentzian manifolds. (English) Zbl 1446.53072 J. Reine Angew. Math. 764, 71-109 (2020). MSC: 53E10 PDF BibTeX XML Cite \textit{P. Bryan} et al., J. Reine Angew. Math. 764, 71--109 (2020; Zbl 1446.53072) Full Text: DOI
Qian, Chao; Tang, Zizhou; Yan, Wenjiao Extrinsic geometry of the Gromoll-Meyer sphere. (English) Zbl 1441.53045 Differ. Geom. Appl. 71, Article ID 101638, 16 p. (2020). MSC: 53C30 53C12 53C20 53C40 PDF BibTeX XML Cite \textit{C. Qian} et al., Differ. Geom. Appl. 71, Article ID 101638, 16 p. (2020; Zbl 1441.53045) Full Text: DOI
Minemyer, Barry Negatively curved codimension one distributions. (English) Zbl 1440.53042 Topol. Proc. 56, 111-124 (2020). MSC: 53C20 53C21 53C35 57R25 PDF BibTeX XML Cite \textit{B. Minemyer}, Topol. Proc. 56, 111--124 (2020; Zbl 1440.53042) Full Text: Link
Heier, Gordon; Wong, Bun On projective Kähler manifolds of partially positive curvature and rational connectedness. (English) Zbl 07206343 Doc. Math. 25, 219-238 (2020). Reviewer: Henri Guenancia (Toulouse) MSC: 32Q10 14J10 14J32 14M22 PDF BibTeX XML Cite \textit{G. Heier} and \textit{B. Wong}, Doc. Math. 25, 219--238 (2020; Zbl 07206343) Full Text: DOI
Chaturvedi, Ananya; Heier, Gordon Hermitian metrics of positive holomorphic sectional curvature on fibrations. (English) Zbl 07203121 Math. Z. 295, No. 1-2, 349-364 (2020). MSC: 14D06 32L05 32Q10 53C55 PDF BibTeX XML Cite \textit{A. Chaturvedi} and \textit{G. Heier}, Math. Z. 295, No. 1--2, 349--364 (2020; Zbl 07203121) Full Text: DOI
Yan, Rongmu Parallel translation on Kähler manifolds. (English) Zbl 1439.32065 Chin. Ann. Math., Ser. B 41, No. 3, 451-464 (2020). MSC: 32Q15 PDF BibTeX XML Cite \textit{R. Yan}, Chin. Ann. Math., Ser. B 41, No. 3, 451--464 (2020; Zbl 1439.32065) Full Text: DOI
Fodor, Dan Gregorian Algebraic conditions for the positivity of sectional curvature. (English) Zbl 1440.53014 Beitr. Algebra Geom. 61, No. 2, 283-295 (2020). MSC: 53B20 14P05 PDF BibTeX XML Cite \textit{D. G. Fodor}, Beitr. Algebra Geom. 61, No. 2, 283--295 (2020; Zbl 1440.53014) Full Text: DOI
Rong, Xiaochun; Yao, Xuchao A generalized \(\pi_2\)-diffeomorphism finiteness theorem. (English) Zbl 07198634 Front. Math. China 15, No. 2, 399-418 (2020). Reviewer: Nabil L. Youssef (Giza) MSC: 53C21 53C23 53C24 PDF BibTeX XML Cite \textit{X. Rong} and \textit{X. Yao}, Front. Math. China 15, No. 2, 399--418 (2020; Zbl 07198634) Full Text: DOI
Dokuzova, Iva; Razpopov, Dimitar Four-dimensional almost Einstein manifolds with skew-circulant stuctures. (English) Zbl 1437.53017 J. Geom. 111, No. 1, Paper No. 9, 18 p. (2020). Reviewer: Nicolai K. Smolentsev (Kemerovo) MSC: 53C15 53B20 53C25 PDF BibTeX XML Cite \textit{I. Dokuzova} and \textit{D. Razpopov}, J. Geom. 111, No. 1, Paper No. 9, 18 p. (2020; Zbl 1437.53017) Full Text: DOI
Zhang, Shijin Berger’s formulas and their applications in symplectic mean curvature flow. (English) Zbl 1435.53073 Proc. Indian Acad. Sci., Math. Sci. 130, No. 1, Paper No. 29, 14 p. (2020). MSC: 53E50 53C21 PDF BibTeX XML Cite \textit{S. Zhang}, Proc. Indian Acad. Sci., Math. Sci. 130, No. 1, Paper No. 29, 14 p. (2020; Zbl 1435.53073) Full Text: DOI
Gong, Si-En; Liu, Hongyi; Xu, Bin Locally removable singularities for Kähler metrics with constant holomorphic sectional curvature. (English) Zbl 1445.53016 Proc. Am. Math. Soc. 148, No. 5, 2179-2191 (2020). Reviewer: Adela-Gabriela Mihai (Bucureşti) MSC: 53B35 32A10 PDF BibTeX XML Cite \textit{S.-E. Gong} et al., Proc. Am. Math. Soc. 148, No. 5, 2179--2191 (2020; Zbl 1445.53016) Full Text: DOI
Barberis, María Laura; Moroianu, Andrei; Semmelmann, Uwe Generalized vector cross products and Killing forms on negatively curved manifolds. (English) Zbl 1437.53022 Geom. Dedicata 205, 113-127 (2020). Reviewer: Vasyl Gorkaviy (Kharkov) MSC: 53C21 15A69 53C25 PDF BibTeX XML Cite \textit{M. L. Barberis} et al., Geom. Dedicata 205, 113--127 (2020; Zbl 1437.53022) Full Text: DOI
Trapani, Stefano The equality case in Wu-Yau inequality. (English) Zbl 1435.32022 Differ. Geom. Appl. 69, Article ID 101604, 5 p. (2020). MSC: 32J27 32Q05 PDF BibTeX XML Cite \textit{S. Trapani}, Differ. Geom. Appl. 69, Article ID 101604, 5 p. (2020; Zbl 1435.32022) Full Text: DOI
Cho, Jong Taek; Kimura, Makoto Real hypersurfaces with constant \(\phi \)-sectional curvature in complex projective space. (English) Zbl 1435.53044 Differ. Geom. Appl. 68, Article ID 101573, 11 p. (2020). MSC: 53C40 53A20 PDF BibTeX XML Cite \textit{J. T. Cho} and \textit{M. Kimura}, Differ. Geom. Appl. 68, Article ID 101573, 11 p. (2020; Zbl 1435.53044) Full Text: DOI
Zhang, Zhuhong Einstein four-manifolds with sectional curvature bounded from above. (English) Zbl 1443.53026 J. Geom. Anal. 30, No. 1, 182-196 (2020). MSC: 53C24 53C25 PDF BibTeX XML Cite \textit{Z. Zhang}, J. Geom. Anal. 30, No. 1, 182--196 (2020; Zbl 1443.53026) Full Text: DOI
Marini, Ludovico; Rigoli, Marco On the geometry of \(\varphi\)-curvatures. (English) Zbl 07153760 J. Math. Anal. Appl. 483, No. 2, Article ID 123657, 22 p. (2020). MSC: 53C24 53C25 PDF BibTeX XML Cite \textit{L. Marini} and \textit{M. Rigoli}, J. Math. Anal. Appl. 483, No. 2, Article ID 123657, 22 p. (2020; Zbl 07153760) Full Text: DOI
Han, Hyelim; Kim, Hobum; Shin, An Sook Timelike Killing vector fields on a timelike or lightlike complete Lorentzian manifold. (English) Zbl 1441.53056 Rep. Math. Phys. 84, No. 1, 69-73 (2019). MSC: 53C50 53B30 53Z05 PDF BibTeX XML Cite \textit{H. Han} et al., Rep. Math. Phys. 84, No. 1, 69--73 (2019; Zbl 1441.53056) Full Text: DOI
Calle, Maxine E. Putting the “\(k\)” in curvature: \(k\)-plane constant curvature conditions. (English) Zbl 1435.53012 Undergrad. Math J. 20, No. 2, Paper No. 6, 20 p. (2019). MSC: 53B20 PDF BibTeX XML Cite \textit{M. E. Calle}, Undergrad. Math J. 20, No. 2, Paper No. 6, 20 p. (2019; Zbl 1435.53012) Full Text: Link
Catino, Giovanni Rigidity of positively curved shrinking Ricci solitons in dimension four. (English) Zbl 1440.53050 Geom. Flows 4, 1-8 (2019). Reviewer: Georges Habib (Fanar) MSC: 53C24 53C25 PDF BibTeX XML Cite \textit{G. Catino}, Geom. Flows 4, 1--8 (2019; Zbl 1440.53050) Full Text: DOI
Pan’zhenskii, V. I.; Klimova, T. R. The contact metric connection with skew torsion. (English. Russian original) Zbl 1442.53053 Russ. Math. 63, No. 11, 47-55 (2019); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 11, 54-63 (2019). Reviewer: Yurii G. Nikonorov (Volgodonsk) MSC: 53D10 53C30 53C05 53C25 PDF BibTeX XML Cite \textit{V. I. Pan'zhenskii} and \textit{T. R. Klimova}, Russ. Math. 63, No. 11, 47--55 (2019; Zbl 1442.53053); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 11, 54--63 (2019) Full Text: DOI
Wong, Ting-Kam Leonard; Yang, Jiaowen Logarithmic divergences: geometry and interpretation of curvature. (English) Zbl 1458.53029 Nielsen, Frank (ed.) et al., Geometric science of information. 4th international conference, GSI 2019, Toulouse, France, August 27–29, 2019. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 11712, 413-422 (2019). MSC: 53B21 49Q20 62B10 62B11 PDF BibTeX XML Cite \textit{T.-K. L. Wong} and \textit{J. Yang}, Lect. Notes Comput. Sci. 11712, 413--422 (2019; Zbl 1458.53029) Full Text: DOI
Ji, Xiu; Li, Tongzhu; Sun, Huafei Spacelike hypersurfaces with constant conformal sectional curvature in \(\mathbb{R}_1^{n+1}\). (English) Zbl 1434.53018 Pac. J. Math. 300, No. 1, 17-37 (2019). MSC: 53B25 53B50 53A35 PDF BibTeX XML Cite \textit{X. Ji} et al., Pac. J. Math. 300, No. 1, 17--37 (2019; Zbl 1434.53018) Full Text: DOI
Abolarinwa, Abimbola; Rauf, Kamilu; Yin, Songting Sharp \(L^p \) Hardy type and uncertainty principle inequalities on the sphere. (English) Zbl 1435.26012 J. Math. Inequal. 13, No. 4, 1011-1022 (2019). MSC: 26D10 46E30 53C21 PDF BibTeX XML Cite \textit{A. Abolarinwa} et al., J. Math. Inequal. 13, No. 4, 1011--1022 (2019; Zbl 1435.26012) Full Text: DOI
Naik, Devaraja Mallesha; Venkatesha; Prakasha, D. G. Certain results on Kenmotsu pseudo-metric manifolds. (English) Zbl 1449.53026 Miskolc Math. Notes 20, No. 2, 1083-1099 (2019). MSC: 53C15 53C25 53D10 PDF BibTeX XML Cite \textit{D. M. Naik} et al., Miskolc Math. Notes 20, No. 2, 1083--1099 (2019; Zbl 1449.53026) Full Text: DOI
Liao, Wei-Hung The eternal solution to the cross curvature flow exists in 3-manifolds of negative sectional curvature. (English) Zbl 1433.53123 Turk. J. Math. 43, No. 5, 2444-2450 (2019). MSC: 53E20 35K55 53C21 PDF BibTeX XML Cite \textit{W.-H. Liao}, Turk. J. Math. 43, No. 5, 2444--2450 (2019; Zbl 1433.53123) Full Text: Link
Mehdi, M.; Cheaito, M.; Slayman, M. On the sectional curvature of the homogeneous connection on Finsler manifold. (English) Zbl 1433.53102 JP J. Geom. Topol. 22, No. 1, 29-44 (2019). MSC: 53C60 PDF BibTeX XML Cite \textit{M. Mehdi} et al., JP J. Geom. Topol. 22, No. 1, 29--44 (2019; Zbl 1433.53102) Full Text: DOI
Zhang, Zhuhong On shrinking gradient 4-D Ricci solitons with sectional curvature bounded above. (Chinese. English summary) Zbl 1449.53051 J. South China Norm. Univ., Nat. Sci. Ed. 51, No. 2, 95-97 (2019). MSC: 53E20 53C25 PDF BibTeX XML Cite \textit{Z. Zhang}, J. South China Norm. Univ., Nat. Sci. Ed. 51, No. 2, 95--97 (2019; Zbl 1449.53051) Full Text: DOI
Ni, Lei General Schwarz lemmata and their applications. (English) Zbl 1452.32026 Int. J. Math. 30, No. 13, Article ID 1940007, 17 p. (2019). Reviewer: Antonella Nannicini (Firenze) MSC: 32Q10 32Q15 53C55 PDF BibTeX XML Cite \textit{L. Ni}, Int. J. Math. 30, No. 13, Article ID 1940007, 17 p. (2019; Zbl 1452.32026) Full Text: DOI arXiv
Kim, Young Ho; Maeda, Sadahiro; Tanabe, Hiromasa Geometric properties of Lie hypersurfaces in a complex hyperbolic space. (English) Zbl 07144869 Czech. Math. J. 69, No. 4, 983-996 (2019). MSC: 53B25 53C40 PDF BibTeX XML Cite \textit{Y. H. Kim} et al., Czech. Math. J. 69, No. 4, 983--996 (2019; Zbl 07144869) Full Text: DOI
Zamkovoy, Simeon On quasi-para-Sasakian manifolds. (English) Zbl 1438.53124 C. R. Acad. Bulg. Sci. 72, No. 4, 440-447 (2019). Reviewer: Angela Slavova (Sofia) MSC: 53D15 53C25 PDF BibTeX XML Cite \textit{S. Zamkovoy}, C. R. Acad. Bulg. Sci. 72, No. 4, 440--447 (2019; Zbl 1438.53124) Full Text: DOI
Yang, Bo; Zheng, Fangyang Hirzebruch manifolds and positive holomorphic sectional curvature. (Variétés de Hirzebruch et courbure sectionnelle holomorphe positive.) (English. French summary) Zbl 1428.53082 Ann. Inst. Fourier 69, No. 6, 2589-2634 (2019). MSC: 53C55 32Q15 PDF BibTeX XML Cite \textit{B. Yang} and \textit{F. Zheng}, Ann. Inst. Fourier 69, No. 6, 2589--2634 (2019; Zbl 1428.53082) Full Text: DOI arXiv
Alvarez, Yunelsy N.; Sa Earp, Ricardo Sharp solvability criteria for Dirichlet problems of mean curvature type in Riemannian manifolds: non-existence results. (English) Zbl 1428.53070 Calc. Var. Partial Differ. Equ. 58, No. 6, Paper No. 197, 12 p. (2019). MSC: 53C42 49Q05 35J25 35J60 PDF BibTeX XML Cite \textit{Y. N. Alvarez} and \textit{R. Sa Earp}, Calc. Var. Partial Differ. Equ. 58, No. 6, Paper No. 197, 12 p. (2019; Zbl 1428.53070) Full Text: DOI arXiv
Wu, Peng Einstein four-manifolds of three-nonnegative curvature operator. (English) Zbl 1428.58011 Math. Z. 293, No. 3-4, 1489-1511 (2019). MSC: 58E11 53C25 53C24 58C40 53C55 53C20 53C30 58J60 PDF BibTeX XML Cite \textit{P. Wu}, Math. Z. 293, No. 3--4, 1489--1511 (2019; Zbl 1428.58011) Full Text: DOI
Mustafa, Abdulqader; Uddin, Siraj; Al-Solamy, Falleh R. Chen-Ricci inequality for warped products in Kenmotsu space forms and its applications. (English) Zbl 1427.53075 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 4, 3585-3602 (2019). MSC: 53C40 53C42 53C15 PDF BibTeX XML Cite \textit{A. Mustafa} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 4, 3585--3602 (2019; Zbl 1427.53075) Full Text: DOI
Venkatesha, V.; Naik, Devaraja Mallesha; Tripathi, Mukut Mani Certain results on almost contact pseudo-metric manifolds. (English) Zbl 1426.53054 J. Geom. 110, No. 2, Paper No. 41, 14 p. (2019). MSC: 53C15 53C25 53D10 PDF BibTeX XML Cite \textit{V. Venkatesha} et al., J. Geom. 110, No. 2, Paper No. 41, 14 p. (2019; Zbl 1426.53054) Full Text: DOI
Borisenko, Alexander A. On the structure of multidimensional submanifolds with metric of revolution in Euclidean space. (English) Zbl 1454.53020 J. Math. Phys. Anal. Geom. 15, No. 2, 192-202 (2019). Reviewer: Hans Havlicek (Wien) MSC: 53B25 53A07 PDF BibTeX XML Cite \textit{A. A. Borisenko}, J. Math. Phys. Anal. Geom. 15, No. 2, 192--202 (2019; Zbl 1454.53020) Full Text: DOI
Ghosh, Amalendu; Sharma, Ramesh Bochner-Kähler and Bach flat manifolds. (English) Zbl 1425.53028 Arch. Math. 113, No. 5, 551-560 (2019). MSC: 53B35 53C25 PDF BibTeX XML Cite \textit{A. Ghosh} and \textit{R. Sharma}, Arch. Math. 113, No. 5, 551--560 (2019; Zbl 1425.53028) Full Text: DOI
Casteras, Jean-Baptiste; Holopainen, Ilkka; Ripoll, Jaime B. Asymptotic Dirichlet problem for \(\mathcal{A}\)-harmonic and minimal graph equations in Cartan-Hadamard manifolds. (English) Zbl 1430.53047 Commun. Anal. Geom. 27, No. 4, 809-855 (2019). MSC: 53C21 53C43 PDF BibTeX XML Cite \textit{J.-B. Casteras} et al., Commun. Anal. Geom. 27, No. 4, 809--855 (2019; Zbl 1430.53047) Full Text: DOI
Bonorino, Leonardo; Ripoll, Jaime On the nature of isolated asymptotic singularities of solutions of a family of quasi-linear elliptic PDE’s on a Cartan-Hadamard manifold. (English) Zbl 1427.53045 Commun. Anal. Geom. 27, No. 4, 791-807 (2019). MSC: 53C21 PDF BibTeX XML Cite \textit{L. Bonorino} and \textit{J. Ripoll}, Commun. Anal. Geom. 27, No. 4, 791--807 (2019; Zbl 1427.53045) Full Text: DOI
Zhang, Peng The study of the subgradient algorithm and its convergence on Riemannian manifolds. (Chinese. English summary) Zbl 07113323 Math. Pract. Theory 49, No. 1, 247-251 (2019). MSC: 65K10 53B20 53C20 PDF BibTeX XML Cite \textit{P. Zhang}, Math. Pract. Theory 49, No. 1, 247--251 (2019; Zbl 07113323)
Zhang, Zhuhong On the triviality of a certain kind of shrinking solitons. (English) Zbl 1438.53089 J. Math. Study 52, No. 2, 169-177 (2019). MSC: 53C25 PDF BibTeX XML Cite \textit{Z. Zhang}, J. Math. Study 52, No. 2, 169--177 (2019; Zbl 1438.53089) Full Text: DOI
Chen, Bang-Yen; Mihai, Adela; Mihai, Ion A Chen first inequality for statistical submanifolds in Hessian manifolds of constant Hessian curvature. (English) Zbl 1430.53061 Result. Math. 74, No. 4, Paper No. 165, 11 p. (2019). MSC: 53C40 53C05 PDF BibTeX XML Cite \textit{B.-Y. Chen} et al., Result. Math. 74, No. 4, Paper No. 165, 11 p. (2019; Zbl 1430.53061) Full Text: DOI
Sari, Ramazan; Turgut Vanli, Aysel Slant submanifolds of a Lorentz Kenmotsu manifold. (English) Zbl 1425.53025 Mediterr. J. Math. 16, No. 5, Paper No. 129, 17 p. (2019). MSC: 53B25 53C40 53C15 53C50 PDF BibTeX XML Cite \textit{R. Sari} and \textit{A. Turgut Vanli}, Mediterr. J. Math. 16, No. 5, Paper No. 129, 17 p. (2019; Zbl 1425.53025) Full Text: DOI
Brooks, Thomas G. Nonnegative curvature and conullity of the curvature tensor. (English) Zbl 1423.53035 Ann. Global Anal. Geom. 56, No. 3, 555-566 (2019). MSC: 53C20 53B20 PDF BibTeX XML Cite \textit{T. G. Brooks}, Ann. Global Anal. Geom. 56, No. 3, 555--566 (2019; Zbl 1423.53035) Full Text: DOI
Sadighi, Akbar; Khatamy, Reza Chavosh; Toomanian, Megerdich On the Riemann curvature on the product of two spheres. (English) Zbl 07105451 Differ. Geom. Dyn. Syst. 21, 160-166 (2019). MSC: 58B20 53C60 PDF BibTeX XML Cite \textit{A. Sadighi} et al., Differ. Geom. Dyn. Syst. 21, 160--166 (2019; Zbl 07105451) Full Text: Link
Dyer, Ramsay; Vegter, Gert; Wintraecken, Mathijs Hubertus Maria Johannes Simplices modelled on spaces of constant curvature. (English) Zbl 1422.57069 J. Comput. Geom. 10, No. 1, 223-256 (2019). Reviewer: Marja Kankaanrinta (Helsinki) MSC: 57R05 53C21 PDF BibTeX XML Cite \textit{R. Dyer} et al., J. Comput. Geom. 10, No. 1, 223--256 (2019; Zbl 1422.57069)
Constantine, D.; Lafont, J.-F.; McReynolds, D. B.; Thompson, D. J. Fat Flats in rank one manifolds. (English) Zbl 1419.37028 Mich. Math. J. 68, No. 2, 251-275 (2019). Reviewer: Andrew Bucki (Edmond) MSC: 37D40 22E40 37C40 37D35 37C27 37C35 53C22 PDF BibTeX XML Cite \textit{D. Constantine} et al., Mich. Math. J. 68, No. 2, 251--275 (2019; Zbl 1419.37028) Full Text: DOI Euclid arXiv
Torres, Rafael An orbit space of a nonlinear involution of \(S^2\times S^2\) with nonnegative sectional curvature. (English) Zbl 1441.53030 Proc. Am. Math. Soc. 147, No. 8, 3523-3532 (2019). Reviewer: Ana Pereira do Vale (Braga) MSC: 53C20 53C21 53B20 PDF BibTeX XML Cite \textit{R. Torres}, Proc. Am. Math. Soc. 147, No. 8, 3523--3532 (2019; Zbl 1441.53030) Full Text: DOI arXiv
Blaga, Adara M.; Nannicini, Antonella On curvature tensors of Norden and metallic pseudo-Riemannian manifolds. (English) Zbl 1428.53038 Complex Manifolds 6, 150-159 (2019). Reviewer: Miroslaw Doupovec (Brno) MSC: 53C15 53C25 PDF BibTeX XML Cite \textit{A. M. Blaga} and \textit{A. Nannicini}, Complex Manifolds 6, 150--159 (2019; Zbl 1428.53038) Full Text: DOI
Diógenes, R.; Ribeiro, E. jun. Four-dimensional manifolds with pinched positive sectional curvature. (English) Zbl 1415.53032 Geom. Dedicata 200, 321-330 (2019). MSC: 53C25 53C20 53C21 53C65 PDF BibTeX XML Cite \textit{R. Diógenes} and \textit{E. Ribeiro jun.}, Geom. Dedicata 200, 321--330 (2019; Zbl 1415.53032) Full Text: DOI
Cao, Wensheng; Fu, Jianli On volumes of quaternionic hyperbolic \(n\)-orbifolds. (English) Zbl 1422.22012 Geom. Dedicata 200, 27-43 (2019). Reviewer: Balasubramanian Sury (Bangalore) MSC: 22E40 53C42 57S30 PDF BibTeX XML Cite \textit{W. Cao} and \textit{J. Fu}, Geom. Dedicata 200, 27--43 (2019; Zbl 1422.22012) Full Text: DOI arXiv
Seto, Shoo; Wang, Lili; Wei, Guofang Sharp fundamental gap estimate on convex domains of sphere. (English) Zbl 1418.35286 J. Differ. Geom. 112, No. 2, 347-389 (2019). MSC: 35P15 35J25 58J05 PDF BibTeX XML Cite \textit{S. Seto} et al., J. Differ. Geom. 112, No. 2, 347--389 (2019; Zbl 1418.35286) Full Text: DOI Euclid arXiv
Ciraolo, Giulio; Vezzoni, Luigi On Serrin’s overdetermined problem in space forms. (English) Zbl 1414.35251 Manuscr. Math. 159, No. 3-4, 445-452 (2019). Reviewer: Akira Asada (Takarazuka) MSC: 35R01 35N25 35B50 53C21 53C24 58J05 58J60 PDF BibTeX XML Cite \textit{G. Ciraolo} and \textit{L. Vezzoni}, Manuscr. Math. 159, No. 3--4, 445--452 (2019; Zbl 1414.35251) Full Text: DOI arXiv
Opozda, Barbara Curvature bounded conjugate symmetric statistical structures with complete metric. (English) Zbl 1417.53039 Ann. Global Anal. Geom. 55, No. 4, 687-702 (2019). Reviewer: Hui Li Liu (Shenyang) MSC: 53C20 53C05 53A15 53C21 PDF BibTeX XML Cite \textit{B. Opozda}, Ann. Global Anal. Geom. 55, No. 4, 687--702 (2019; Zbl 1417.53039) Full Text: DOI arXiv
Boonnam, Nathaphon A generalized maximal diameter sphere theorem. (English) Zbl 1416.53040 Tohoku Math. J. (2) 71, No. 1, 145-155 (2019). Reviewer: Andreas Arvanitoyeorgos (Patras) MSC: 53C22 PDF BibTeX XML Cite \textit{N. Boonnam}, Tohoku Math. J. (2) 71, No. 1, 145--155 (2019; Zbl 1416.53040) Full Text: DOI Euclid arXiv
Jelonek, Włodzimierz Complex foliations and Kähler QCH surfaces. (English) Zbl 1430.53074 Colloq. Math. 156, No. 2, 229-242 (2019). Reviewer: Nicolai K. Smolentsev (Kemerovo) MSC: 53C55 53C25 53B35 53C12 PDF BibTeX XML Cite \textit{W. Jelonek}, Colloq. Math. 156, No. 2, 229--242 (2019; Zbl 1430.53074) Full Text: DOI
Özdemir, Fatma; Türkoğlu, Mustafa Deniz Sectional curvatures on Weyl manifolds with a special metric connection. (English) Zbl 1412.53028 Turk. J. Math. 43, No. 1, 224-240 (2019). MSC: 53B15 53A30 53A40 53B20 PDF BibTeX XML Cite \textit{F. Özdemir} and \textit{M. D. Türkoğlu}, Turk. J. Math. 43, No. 1, 224--240 (2019; Zbl 1412.53028) Full Text: DOI
Moore, John Douglas; Ream, Robert Minimal two-spheres of low index in manifolds with positive complex sectional curvature. (English) Zbl 1428.53074 Math. Z. 291, No. 3-4, 1295-1335 (2019). Reviewer: Liviu Popescu (Craiova) MSC: 53C42 53C20 58E05 PDF BibTeX XML Cite \textit{J. D. Moore} and \textit{R. Ream}, Math. Z. 291, No. 3--4, 1295--1335 (2019; Zbl 1428.53074) Full Text: DOI
Kennard, Lee; Wylie, William; Yeroshkin, Dmytro The weighted connection and sectional curvature for manifolds with density. (English) Zbl 1410.53040 J. Geom. Anal. 29, No. 1, 957-1001 (2019). Reviewer: Peter B. Gilkey (Eugene) MSC: 53C20 PDF BibTeX XML Cite \textit{L. Kennard} et al., J. Geom. Anal. 29, No. 1, 957--1001 (2019; Zbl 1410.53040) Full Text: DOI arXiv
Kell, Martin Sectional curvature-type conditions on metric spaces. (English) Zbl 1408.53057 J. Geom. Anal. 29, No. 1, 616-655 (2019). MSC: 53C23 51F99 53C70 PDF BibTeX XML Cite \textit{M. Kell}, J. Geom. Anal. 29, No. 1, 616--655 (2019; Zbl 1408.53057) Full Text: DOI arXiv
Wan, Xueyuan Holomorphic sectional curvature of complex Finsler manifolds. (English) Zbl 07024062 J. Geom. Anal. 29, No. 1, 194-216 (2019). MSC: 53C60 53C55 PDF BibTeX XML Cite \textit{X. Wan}, J. Geom. Anal. 29, No. 1, 194--216 (2019; Zbl 07024062) Full Text: DOI
Diverio, Simone; Trapani, Stefano Quasi-negative holomorphic sectional curvature and positivity of the canonical bundle. (English) Zbl 07015571 J. Differ. Geom. 111, No. 2, 303-314 (2019). MSC: 32Q15 32Q05 PDF BibTeX XML Cite \textit{S. Diverio} and \textit{S. Trapani}, J. Differ. Geom. 111, No. 2, 303--314 (2019; Zbl 07015571) Full Text: DOI Euclid arXiv
Balkan, Yavuz Selim; Aktan, Nesip Deformations of nearly \(C\)-manifolds. (English) Zbl 1406.53027 Palest. J. Math. 8, No. 1, 209-216 (2019). MSC: 53C15 53D10 53C25 53C35 PDF BibTeX XML Cite \textit{Y. S. Balkan} and \textit{N. Aktan}, Palest. J. Math. 8, No. 1, 209--216 (2019; Zbl 1406.53027) Full Text: Link
Colombo, Giulio; Pelegrín, José A. S.; Rigoli, Marco Stable maximal hypersurfaces in Lorentzian spacetimes. (English) Zbl 1404.53073 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 179, 354-382 (2019). MSC: 53C42 53C50 83C99 53C80 PDF BibTeX XML Cite \textit{G. Colombo} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 179, 354--382 (2019; Zbl 1404.53073) Full Text: DOI
De, U. C.; Ghosh, Gopal; Jun, J. B.; Majhi, Pradip Some results on para-Sasakian manifolds. (English) Zbl 1438.53058 Bull. Transilv. Univ. Braşov, Ser. III, Math. Inform. Phys. 11(60), No. 1, 49-64 (2018). MSC: 53C15 53C25 53C26 PDF BibTeX XML Cite \textit{U. C. De} et al., Bull. Transilv. Univ. Braşov, Ser. III, Math. Inform. Phys. 11(60), No. 1, 49--64 (2018; Zbl 1438.53058)
He, Yong; Zhang, Xiaoling On doubly warped product of Hermitian manifolds. (Chinese. English summary) Zbl 1424.53105 Acta Math. Sin., Chin. Ser. 61, No. 5, 835-842 (2018). MSC: 53C55 32Q20 32L10 PDF BibTeX XML Cite \textit{Y. He} and \textit{X. Zhang}, Acta Math. Sin., Chin. Ser. 61, No. 5, 835--842 (2018; Zbl 1424.53105)