A new combinatorial characterization of (quasi)-Hermitian surfaces Vito Napolitano OriginalPaper Open access 13 July 2023 Article: 19
Evolutes of conics in the quasi-hyperbolic and the hyperbolic plane Ivana Božić DragunHelena Koncul OriginalPaper 13 July 2023 Article: 18
Characterizations of weakly conformally flat and quasi Einstein manifolds Ramesh Sharma OriginalPaper 08 July 2023 Article: 17
Spacelike hypersurfaces in twisted product spacetimes with complete fiber and Calabi–Bernstein-type problems Alberto Soria OriginalPaper Open access 28 June 2023 Article: 16
New results concerning Cartan null and pseudo null curves in Minkowski 3-space Çetin CamciAli UçumKazım İlarslan OriginalPaper 29 May 2023 Article: 15
The Poisson equation on compact Ricci solitons and Ricci-harmonic solitons Wagner Oliveira Costa Filho OriginalPaper 27 May 2023 Article: 14
Almost Schouten solitons and almost cosymplectic manifolds Arpan SardarUday Chand De OriginalPaper 27 April 2023 Article: 13
Bertrand and Mannheim curves of framed curves in the 4-dimensional Euclidean space Shun’ichi HondaMasatomo TakahashiHaiou Yu OriginalPaper 15 April 2023 Article: 12
Non-geometric cospectral mates of line graphs with a linear representation Ferdinand Ihringer OriginalPaper 09 April 2023 Article: 10
Simplifying the axiomatization for ordered affine geometry via a theorem prover Dafa Li OriginalPaper 03 April 2023 Article: 9
A direct proof of the non-existence of a MOL(6) Dieter Betten OriginalPaper Open access 18 March 2023 Article: 8
\(\mathcal {D}-\)homothetic deformation on para-Sasaki-like Riemannian manifolds Şenay BulutPınar İnselöz OriginalPaper 02 March 2023 Article: 7
The circumradius of planar reduced convex bodies Qiuyue ChenBing ChenHailin Jin OriginalPaper 04 February 2023 Article: 6
Generalization of Simson–Wallace theorem: planar and spatial formulation Jiří BlažekPavel Pech OriginalPaper Open access 03 February 2023 Article: 5
Bivariate coordinate systems in triangle geometry Peter J. C. MosesClark Kimberling OriginalPaper 24 January 2023 Article: 4
Some characterizations of quasi Yamabe solitons Absos Ali ShaikhProsenjit Mandal OriginalPaper 19 December 2022 Article: 3
On a strengthening of the Blaschke–Leichtweiss theorem Károly Bezdek OriginalPaper 14 December 2022 Article: 2
Power sum polynomials and the ghosts behind them Marco L. Della VedovaSilvia M. C. PaganiSilvia Pianta OriginalPaper Open access 19 November 2022 Article: 1
New bounds on the existence of \((n_{5})\) and \((n_{6})\) configurations: the Grünbaum Calculus revisited Leah Wrenn BermanGábor GévayTomaž Pisanski OriginalPaper 21 October 2022 Article: 48
Lightlike pseudo-isotropic Lorentzian Calabi surfaces and ruled surfaces Lin CaoYadong Wu OriginalPaper 23 September 2022 Article: 47
Finsler metrics and semi-symmetric compatible linear connections Csaba VinczeMárk Oláh OriginalPaper Open access 17 September 2022 Article: 45
Helmut Karzel (1928–2021) Hans HavlicekAlexander KreuzerKay Sörensen Obituary Open access 12 September 2022 Article: 44
Biconservative hypersurfaces in Minkowski 5-space Aykut KayhanNurettin Cenk Turgay OriginalPaper 10 September 2022 Article: 43
The automorphism group of \(NU(3,q^2)\) Federico RomanielloValentino Smaldore OriginalPaper Open access 30 August 2022 Article: 42
Real hypersurfaces in a nonflat complex space form whose certain tensor is recurrent Kazuhiro Okumura OriginalPaper 29 August 2022 Article: 41
Generalized Kantowski–Sachs type spacetime metrics and their harmonicity Murat Altunbaş OriginalPaper 27 August 2022 Article: 40
Remarks on the quadratic orthogonal bisectional curvature Kyle Broder OriginalPaper Open access 27 July 2022 Article: 39
Rotation surfaces of constant Gaussian curvature and mean curvature in sub-Riemannian Heisenberg space \(\mathbb H^1\) Jose Martins Veloso OriginalPaper 21 July 2022 Article: 38
On some curves in 3-dimensional hyperbolic geometry and solvgeometry Jun-ichi Inoguchi OriginalPaper 28 June 2022 Article: 37
Structure and transitions of line bitangencies in a family of surface pairs D. DreibelbisW. Olsen OriginalPaper 27 June 2022 Article: 36
50 Years of translation structures Guglielmo Lunardon OriginalPaper Open access 10 June 2022 Article: 35
Characterizations of pseudo-umbilical submanifolds of Kaehler manifolds by means of specific types Bayram Şahin OriginalPaper 07 June 2022 Article: 34
Sphere theorems with and without smoothing Jialong Deng OriginalPaper Open access 06 June 2022 Article: 33
Cayley–Klein geometries and projective-metric geometry Horst StruveRolf Struve OriginalPaper 29 May 2022 Article: 32
Differentiability of the slant function of a general pointwise slant distribution Andrei-Constantin LaţcuDan-Radu Laţcu OriginalPaper 25 May 2022 Article: 31
The generating and embedding ranks of hyperplanes of Grassmannians Bart De Bruyn OriginalPaper 21 May 2022 Article: 30
Twisted cubic and plane-line incidence matrix in \(\mathrm {PG}(3,q)\) Alexander A. DavydovStefano MarcuginiFernanda Pambianco OriginalPaper 20 May 2022 Article: 29
Correction to: On the fundamental triangle inequality and Gerretsen’s double inequality Jian Liu Correction 29 April 2022 Article: 27
A family of flat Minkowski planes over convex functions Duy Ho OriginalPaper 15 April 2022 Article: 26
Generalized translation hypersurfaces in conformally flat spaces P. A. SousaB. P. LimaB. V. M. Vieira OriginalPaper 02 April 2022 Article: 25
Slant curves in the Lorentzian warped product manifold \(-I \times _{f} {\mathbb {E}}^2\) Uğur Dursun OriginalPaper 15 March 2022 Article: 24
On convergence of intrinsic volumes of Riemannian manifolds Semyon Alesker OriginalPaper 13 March 2022 Article: 23
Finite subunitals of the Hermitian unitals Theo GrundhöferMarkus J. StroppelHendrik Van Maldeghem OriginalPaper Open access 12 March 2022 Article: 22
Ruled invariants and total classification of non-developable ruled surfaces Huili LiuYixuan LiuSeoung Dal Jung OriginalPaper 04 March 2022 Article: 21
Notes on flat fronts in hyperbolic space J. DuboisU. Hertrich-JerominG. Szewieczek OriginalPaper Open access 01 March 2022 Article: 20
On the fundamental triangle inequality and Gerretsen’s double inequality Jian Liu OriginalPaper 28 February 2022 Article: 19
Sharp Simons type integral inequalities for closed linear Weingarten submanifolds in a space form Henrique F. de LimaFábio R. dos SantosLucas S. Rocha OriginalPaper 26 February 2022 Article: 18