• DML-CZ Home

53C20 Global Riemannian geometry, including pinching (87 articles)

• Karmakar, Payel: Curvature tensors and Ricci solitons with respect to Zamkovoy connection in anti-invariant submanifolds of trans-Sasakian manifold. (English). Mathematica Bohemica, vol. 147 (2022), issue 3, pp. 419-434
• Benkartab, Aicha; Cherif, Ahmed Mohammed: Deformations of Metrics and Biharmonic Maps. (English). Communications in Mathematics, vol. 28 (2020), issue 3, pp. 263-275
• Milijević, Mirjana; Yapu, Luis P.: Growth of weighted volume and some applications. (English). Archivum Mathematicum, vol. 56 (2020), issue 1, pp. 1-10
• Lu, Wei; Mao, Jing; Wu, Chuanxi: A universal bound for lower Neumann eigenvalues of the Laplacian. (English). Czechoslovak Mathematical Journal, vol. 70 (2020), issue 2, pp. 473-482
• Kalus, Matthias: Non-split almost complex and non-split Riemannian supermanifolds. (English). Archivum Mathematicum, vol. 55 (2019), issue 4, pp. 229-238
• Sabatini, Luca: Estimation of vibration frequencies of linear elastic membranes. (English). Applications of Mathematics, vol. 63 (2018), issue 1, pp. 37-53
• Zagane, Abderrahim; Djaa, Mustapha: Geometry of Mus-Sasaki metric. (English). Communications in Mathematics, vol. 26 (2018), issue 2, pp. 113-126
• Santos, M. S.: Compactness theorems for the Bakry-Emery Ricci tensor on semi-Riemannian manifolds. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 58 (2017), issue 1, pp. 79-86
• Biggs, Rory: Isometries of Riemannian and sub-Riemannian structures on three-dimensional Lie groups. (English). Communications in Mathematics, vol. 25 (2017), issue 2, pp. 99-135
• Ghosh, Amalendu: Complete Riemannian manifolds admitting a pair of Einstein-Weyl structures. (English). Mathematica Bohemica, vol. 141 (2016), issue 3, pp. 315-325
• Khripunova, Marina B.; Stepanov, Sergey E.; Tsyganok, Irina I.; Mikeš, Josef: On Uniqueness Theoremsfor Ricci Tensor. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 55 (2016), issue 1, pp. 47-52
• Mao, Jing: Volume comparison theorems for manifolds with radial curvature bounded. (English). Czechoslovak Mathematical Journal, vol. 66 (2016), issue 1, pp. 71-86
• Aquino, Cícero P.; de Lima, Henrique F.; dos Santos, Fábio R.; Velásquez, Marco Antonio L.: On complete linear Weingarten hypersurfaces in locally symmetric Riemannian manifolds. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 56 (2015), issue 4, pp. 515-529
• El Chami, Fida; Habib, Georges; Nakad, Roger: Riemannian foliations with parallel or harmonic basic forms. (English). Archivum Mathematicum, vol. 51 (2015), issue 1, pp. 51-65
• Stepanov, Sergey E.; Tsyganok, Irina I.; Mikeš, Josef: From infinitesimal harmonic transformations to Ricci solitons. (English). Mathematica Bohemica, vol. 138 (2013), issue 1, pp. 25-36
• Roth, Julien: A remark on almost umbilical hypersurfaces. (English). Archivum Mathematicum, vol. 49 (2013), issue 1, pp. 1-7
• Wu, Faen; Zhao, Xinnuan: A new variational characterization of compact conformally flat 4-manifolds. (English). Communications in Mathematics, vol. 20 (2012), issue 2, pp. 71-77
• Yilmaz, Hülya Bağdatlı: On Decomposable Almost Pseudo Conharmonically Symmetric Manifolds. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 51 (2012), issue 1, pp. 111-124
• Arias-Marco, Teresa: Constant Jacobi osculating rank of $\mathbf{U(3)/(U(1) \times U(1) \times U(1))}$. (English). Archivum Mathematicum, vol. 45 (2009), issue 4, pp. 241-254
• Vanžurová, Alena: Metrization of connections with regular curvature. (English). Archivum Mathematicum, vol. 45 (2009), issue 4, pp. 325-333
• Shu, Schi Chang: Complete spacelike hypersurfaces with constant scalar curvature. (English). Archivum Mathematicum, vol. 44 (2008), issue 2, pp. 105-114
• Kowalski, Oldřich; Sekizawa, Masami: Invariance of $g$-natural metrics on linear frame bundles. (English). Archivum Mathematicum, vol. 44 (2008), issue 2, pp. 139-147
• Wang, Qiaoling; Xia, Changyu: Topological and metric rigidity teorems for hypersurfaces in a hyperbolic space. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 1, pp. 435-445
• Abbassi, Mohamed Tahar Kadaoui; Sarih, Maâti: On natural metrics on tangent bundles of Riemannian manifolds. (English). Archivum Mathematicum, vol. 41 (2005), issue 1, pp. 71-92
• Leitner, Felipe: Conformal Killing forms with normalisation condition. (English). In: Slovák, Jan and Čadek, Martin (eds.): Proceedings of the 24th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 2005. pp. [279]-292
• Branson, Thomas: $Q$-curvature and spectral invariants. (English). In: Slovák, Jan and Čadek, Martin (eds.): Proceedings of the 24th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 2005. pp. [11]-55
• Chouikha, A. Raouf: Remark on a conjecture of conformal transformations of Riemannian manifolds. (English). In: Slovák, Jan and Čadek, Martin (eds.): Proceedings of the 24th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 2005. pp. [225]-231
• Rodionov, Eugene D.; Slavskii, Viktor V.: Conformal deformations of the Riemannian metrics and homogeneous Riemannian spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 43 (2002), issue 2, pp. 271-282
• Marinosci, Rosa Anna: Homogeneous geodesics in a three-dimensional Lie group. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 43 (2002), issue 2, pp. 261-270
• Boeckx, E.; González-Dávila, J. C.; Vanhecke, L.: Stability of the geodesic flow for the energy. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 43 (2002), issue 2, pp. 201-213
• Sarkaria, K. S.: Stationary states. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 43 (2002), issue 1, pp. 57-63
• Araujo, José; Keilhauer, Guillermo: Natural tensor fields of type $(0,2)$ on the tangent and cotangent bundles of a semi-Riemannian manifold. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 39 (2000), issue 1, pp. (7)-16
• Hashimoto, Norio; Sekizawa, Masami: Three-dimensional conformally flat pseudo-symmetric spaces of constant type. (English). Archivum Mathematicum, vol. 36 (2000), issue 4, pp. 279-286
• Calvaruso, G.; Marinosci, R. A.; Perrone, D.: Three-dimensional curvature homogeneous hypersurfaces. (English). Archivum Mathematicum, vol. 36 (2000), issue 4, pp. 269-278
• Baleanu, Dumitru: About duality and Killing tensors. (English). In: Slovák, Jan and Čadek, Martin (eds.): Proceedings of the 19th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 2000. pp. 57-61
• Gilkey, P. B.; Park, J. H.: The Bochner Laplacian, Riemannian submersions, heat content asymptotics, and heat equation asymptotics. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 2, pp. 233-240
• Kiyota, Yuki; Tsukada, Kazumi: Curvature tensors and Singer invariants of four-dimensional homogeneous spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 4, pp. 723-733
• Lafuente, Javier; Salvador, Beatriz: From the Fermi-Walker to the Cartan connection. (English). In: Slovák, Jan and Čadek, Martin (eds.): Proceedings of the 19th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 2000. pp. 149-156
• Arvanitoyeorgos, Andreas; Beneki, Christina: Jacobi vector fields and geodesic tubes in certain Kähler manifolds. (English). In: Slovák, Jan and Čadek, Martin (eds.): Proceedings of the 19th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 2000. pp. 43-52
• Kowalski, Oldřich; Vlášek, Zdeněk: On special Riemannian $3$-manifolds with distinct constant Ricci eigenvalues. (English). Mathematica Bohemica, vol. 124 (1999), issue 1, pp. 45-66
• Alexieva, Yana; Ivanov, Stefan: Riemannian manifolds in which certain curvature operator has constant eigenvalues along each helix. (English). Archivum Mathematicum, vol. 35 (1999), issue 2, pp. 129-140
• Gover, Rod A.: Aspects of parabolic invariant theory. (English). In: Slovák, Jan and Čadek, Martin (eds.): Proceedings of the 18th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1999. pp. 25-47
• Berezovskij, Vladimir; Mikeš, Josef: On almost geodesic mappings of the type $\pi_1$ of Riemannian spaces preserving a system $n$-orthogonal hypersurfaces. (English). In: Slovák, Jan and Čadek, Martin (eds.): Proceedings of the 18th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1999. pp. 103-108
• Kowalski, Oldřich; Vlášek, Zdeněk: On double-ruled hypersurfaces in $\bold R^4$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 2, pp. 407-411
• Arvanitoyeorgos, Andreas: Correction to the paper: Homogeneous Einstein metrics on Stiefel manifolds. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 4, pp. 873
• Kowalski, Oldřich: An explicit classification of 3-dimensional Riemannian spaces satisfying $R(X,Y) \cdot R = 0$. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 3, pp. 427-474
• Arvanitoyeorgos, Andreas: Homogeneous Einstein metrics on Stiefel manifolds. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 3, pp. 627-634
• Kowalski, Oldřich; Sekizawa, Masami: Local isometry classes of Riemannian $3$-manifolds with constant Ricci eigenvalues $\rho\sb 1=\rho\sb 2\neq \rho\sb 3 > 0$. (English). Archivum Mathematicum, vol. 32 (1996), issue 2, pp. 137-145
• Slavskii, V. V.: On a theorem of Fermi. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 4, pp. 867-872
• Eichhorn, Jürgen; Fricke, Jan; Lang, Alexander: Metrics conformally equivalent to bounded geometry. (English). In: Slovák, Jan (ed.): Proceedings of the 15th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1996. pp. [103]-110
• Eastwood, Michael: Notes on conformal differential geometry. (English). In: Slovák, Jan (ed.): Proceedings of the 15th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1996. pp. [57]-76
• Kowalski, Oldřich; Prüfer, Friedbert: Curvature tensors in dimension four which do not belong to any curvature homogeneous space. (English). Archivum Mathematicum, vol. 30 (1994), issue 1, pp. 45-57
• Papantoniou, Basil J.: Contact manifolds, harmonic curvature tensor and $(k,\mu )$-nullity distribution. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 2, pp. 323-334
• Bureš, Jarolím: Dirac operators on hypersurfaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 2, pp. 313-322
• Schueth, Dorothea: Isospectral, non-isometric Riemannian manifolds. (English). In: Bureš, J. and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1994. pp. [207]-231
• Kowalski, Oldřich: Nonhomogeneous Riemannian 3-manifolds with distinct constant Ricci eigenvalues. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 3, pp. 451-457
• Pokorná, Olga: Spinor fields on Riemannian manifolds. (English). In: Bureš, J. and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1994. pp. [201]-205
• Beltagy, M.: Sufficient conditions for convexity in manifolds without focal points. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 3, pp. 443-449
• Sekigawa, Kouei; Suga, Hiroshi; Vanhecke, Lieven: Four-dimensional curvature homogeneous spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 2, pp. 261-268
• Slovák, Jan: On invariant operations on pseudo-Riemannian manifolds. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 2, pp. 269-276
• Gancarzewicz, Jacek; Mahi, Salima: Lifts of 1-forms to the tangent bundle of higher order. (English). Czechoslovak Mathematical Journal, vol. 40 (1990), issue 3, pp. 397-407
• Friedrich, Thomas; Pokorná, Olga: Twistor spinors and solutions of the equation (E) on Riemannian manifolds. (English). In: Bureš, J. and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1991. pp. [149]-154
• Eichhorn, Jürgen: Invariance properties of the Laplace operator. (English). In: Bureš, J. and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1990. pp. [35]-47
• Kowalski, Oldřich: A note to a theorem by K. Sekigawa. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 1, pp. 85-88
• Kôzaki, Masanori; Sumi, Hidekichi: On normal forms of Laplacian and its iterations in harmonic spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 4, pp. 795-802
• Friedrich, Thomas: On the conformal relation between twistors and Killing spinors. (English). In: Bureš, J. and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1990. pp. [59]-75
• Branson, Thomas P.: Conformal transformation, conformal change, and conformal covariants. (English). In: Bureš, J. and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1989. pp. [115]-134
• Švec, Alois: Spectrum of 2-dimensional manifolds. (English). Czechoslovak Mathematical Journal, vol. 38 (1988), issue 2, pp. 237-244
• Eichhorn, Jürgen: The Euler characteristic and signature for open manifolds. (English). In: Bureš, J. and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1987. pp. [29]-41
• Švec, Alois: Vector fields on hyperspheres. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 2, pp. 207-230
• Eichhorn, Jürgen: Yang-Mills-Theorie über offenen Riemannschen Mannigfaltigkeiten. (German) [Yang-Mills theory on open Riemannian manifolds]. In: Frolík, Z., Souček, V. and Vinárek, J. (eds.): Proceedings of the Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1985. pp. [61]-72
• Dittrich, Jaroslav: On the topological charge conservation in the three-dimensional ${\rm O}(3)$ $\sigma$-model. (English). Aplikace matematiky, vol. 29 (1984), issue 5, pp. 367-371
• Nahm, W.: Self-dual magnetic monopoles and generalizations of holomorphic functions. (English). In: Frolík, Z. (ed.): Proceedings of the 12th Winter School on Abstract Analysis. Section of Topology. Circolo Matematico di Palermo, Palermo, 1984. pp. [233]-242
• Kowalski, Oldřich: The volume conjecture and four-dimensional hypersurfaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 1, pp. 81-87
• Kowalski, Oldřich: O geometrii laplasiánu. I. (Czech) [On Laplacian geometry. I]. Pokroky matematiky, fyziky a astronomie, vol. 26 (1981), issue 1, pp. 23-41
• Kowalski, Oldřich: O geometrii laplasiánu. II. (Czech) [On Laplacian geometry. II]. Pokroky matematiky, fyziky a astronomie, vol. 26 (1981), issue 2, pp. 69-81
• Švec, Alois: An integral formula for non-Codazzi tensors. (English). Czechoslovak Mathematical Journal, vol. 28 (1978), issue 3, pp. 434-438
• Švec, Alois: On an integral formula. (English). Časopis pro pěstování matematiky, vol. 103 (1978), issue 3, pp. 303-307
• Švec, Alois: Two applications of an integral formula. (English). Sborník prací Přírodovědecké fakulty University Palackého v Olomouci. Matematika, vol. 17 (1978), issue 1, pp. 5-12
• Švec, Alois: Finite Killing vector fields. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 18 (1977), issue 1, pp. 65-69
• Fath el Bab, H.: On isotropic tensors. (English). Czechoslovak Mathematical Journal, vol. 27 (1977), issue 1, pp. 54-60
• Švec, A.: On the non-existence of certain ovaloids. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 18 (1977), issue 1, pp. 47-49
• Švec, Alois: Harmonic mappings of surfaces. (English). Časopis pro pěstování matematiky, vol. 101 (1976), issue 3, pp. 283-292
• Afwat, Mohamed: On generalized Weingarten surfaces. (English). Časopis pro pěstování matematiky, vol. 101 (1976), issue 3, pp. 263-270
• Kowalski, Oldřich: Generalized symmetric spaces (Preliminary communication). (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 2, pp. 361-375
• Kowalski, Oldřich: Regularly metrizable connections and tensors of type (1,3) (Preliminary communication). (English). Commentationes Mathematicae Universitatis Carolinae, vol. 12 (1971), issue 3, pp. 633-634
• Vanžura, Jiří: Holonomy Groups of a Fully Parallelizable Manifold. (English). Matematický časopis, vol. 20 (1970), issue 3, pp. 153-165