Brown, Elizabeth T.; Castner, Emily; Davis, Stephen; O’Shea, Edwin; Seryozhenkov, Edouard; Vargas, A. J. On the equivalence of Playfair’s axiom to the parallel postulate. (English) Zbl 1430.51025 J. Geom. 110, No. 2, Paper No. 42, 7 p. (2019). Reviewer: Sándor Nagydobai Kiss (Satu Mare) MSC: 51M05 51F05 PDFBibTeX XMLCite \textit{E. T. Brown} et al., J. Geom. 110, No. 2, Paper No. 42, 7 p. (2019; Zbl 1430.51025) Full Text: DOI arXiv
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 PDFBibTeX XMLCite \textit{V. Venkatesha} et al., J. Geom. 110, No. 2, Paper No. 41, 14 p. (2019; Zbl 1426.53054) Full Text: DOI arXiv
Kohli, Dhruv; Rabin, Jeffrey M. Radial expansion preserves hyperbolic convexity and radial contraction preserves spherical convexity. (English) Zbl 1435.52005 J. Geom. 110, No. 2, Paper No. 40, 13 p. (2019). Reviewer: Judit Abardia-Evéquoz (Frankfurt a. M.) MSC: 52A55 PDFBibTeX XMLCite \textit{D. Kohli} and \textit{J. M. Rabin}, J. Geom. 110, No. 2, Paper No. 40, 13 p. (2019; Zbl 1435.52005) Full Text: DOI arXiv
Kurusa, Árpád Ceva’s and Menelaus’ theorems in projective-metric spaces. (English) Zbl 1428.51010 J. Geom. 110, No. 2, Paper No. 39, 12 p. (2019). Reviewer: Victor V. Pambuccian (Glendale) MSC: 51M09 51B20 PDFBibTeX XMLCite \textit{Á. Kurusa}, J. Geom. 110, No. 2, Paper No. 39, 12 p. (2019; Zbl 1428.51010) Full Text: DOI
Alexandrov, Victor A sufficient condition for a polyhedron to be rigid. (English) Zbl 1418.52007 J. Geom. 110, No. 2, Paper No. 38, 11 p. (2019). MSC: 52C25 52B70 51M20 PDFBibTeX XMLCite \textit{V. Alexandrov}, J. Geom. 110, No. 2, Paper No. 38, 11 p. (2019; Zbl 1418.52007) Full Text: DOI arXiv
Prażmowski, Krzysztof; Żynel, Mariusz Affine semipolar spaces. (English) Zbl 1508.51001 J. Geom. 110, No. 2, Paper No. 37, 20 p. (2019). Reviewer: John Bamberg (Crawley) MSC: 51A50 51A10 PDFBibTeX XMLCite \textit{K. Prażmowski} and \textit{M. Żynel}, J. Geom. 110, No. 2, Paper No. 37, 20 p. (2019; Zbl 1508.51001) Full Text: DOI
Anatriello, Giuseppina; Laudano, Francesco; Vincenzi, Giovanni An algebraic characterization of properly congruent-like quadrilaterals. (English) Zbl 1418.51006 J. Geom. 110, No. 2, Paper No. 36, 13 p. (2019). MSC: 51M04 51M05 PDFBibTeX XMLCite \textit{G. Anatriello} et al., J. Geom. 110, No. 2, Paper No. 36, 13 p. (2019; Zbl 1418.51006) Full Text: DOI
Steinke, Günter F. A characterization of the known finite Minkowski planes in terms of Klein-Kroll types with respect to \(\mathcal{G}\)-translations. (English) Zbl 1420.51005 J. Geom. 110, No. 2, Paper No. 35, 10 p. (2019). Reviewer: Dirk Keppens (Gent) MSC: 51B20 51E25 PDFBibTeX XMLCite \textit{G. F. Steinke}, J. Geom. 110, No. 2, Paper No. 35, 10 p. (2019; Zbl 1420.51005) Full Text: DOI
Haseeb, Abdul; De, Uday Chand \(\eta \)-Ricci solitons in \(\epsilon \)-Kenmotsu manifolds. (English) Zbl 1417.53032 J. Geom. 110, No. 2, Paper No. 34, 12 p. (2019). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{A. Haseeb} and \textit{U. C. De}, J. Geom. 110, No. 2, Paper No. 34, 12 p. (2019; Zbl 1417.53032) Full Text: DOI
Wilson, Scott O.; Zeinalian, Mahmoud Center of mass and Kähler structures. (English) Zbl 1417.53080 J. Geom. 110, No. 2, Paper No. 33, 6 p. (2019). MSC: 53C55 32Q15 53C29 PDFBibTeX XMLCite \textit{S. O. Wilson} and \textit{M. Zeinalian}, J. Geom. 110, No. 2, Paper No. 33, 6 p. (2019; Zbl 1417.53080) Full Text: DOI arXiv Link
Et-Taoui, Boumediene On the medians of a triangle in two-point homogeneous spaces. (English) Zbl 1418.51007 J. Geom. 110, No. 2, Paper No. 32, 14 p. (2019). MSC: 51M09 51M15 51F20 51F25 PDFBibTeX XMLCite \textit{B. Et-Taoui}, J. Geom. 110, No. 2, Paper No. 32, 14 p. (2019; Zbl 1418.51007) Full Text: DOI
da Silva, Luiz C. B. The geometry of Gauss map and shape operator in simply isotropic and pseudo-isotropic spaces. (English) Zbl 1418.51012 J. Geom. 110, No. 2, Paper No. 31, 18 p. (2019). MSC: 51N25 53A35 53A55 53B05 PDFBibTeX XMLCite \textit{L. C. B. da Silva}, J. Geom. 110, No. 2, Paper No. 31, 18 p. (2019; Zbl 1418.51012) Full Text: DOI arXiv
Dai, Xinxin Non-existence of \(*\)-Ricci solitons on \((\kappa,\mu )\)-almost cosymplectic manifolds. (English) Zbl 1417.53031 J. Geom. 110, No. 2, Paper No. 30, 7 p. (2019). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{X. Dai}, J. Geom. 110, No. 2, Paper No. 30, 7 p. (2019; Zbl 1417.53031) Full Text: DOI
Yuzbas, Zuhal Kucukarslan; Yoon, Dae Won On constructions of surfaces using a geodesic in Lie group. (English) Zbl 1417.53019 J. Geom. 110, No. 2, Paper No. 29, 10 p. (2019). MSC: 53B25 53C30 22E15 PDFBibTeX XMLCite \textit{Z. K. Yuzbas} and \textit{D. W. Yoon}, J. Geom. 110, No. 2, Paper No. 29, 10 p. (2019; Zbl 1417.53019) Full Text: DOI
Mendonça, Thiago A new approach on constant angle surfaces in the special linear group. (English) Zbl 1417.53006 J. Geom. 110, No. 2, Paper No. 28, 24 p. (2019). MSC: 53A05 PDFBibTeX XMLCite \textit{T. Mendonça}, J. Geom. 110, No. 2, Paper No. 28, 24 p. (2019; Zbl 1417.53006) Full Text: DOI
Honda, Shun’ichi; Izumiya, Shyuichi; Takahashi, Masatomo Developable surfaces along frontal curves on embedded surfaces. (English) Zbl 1423.57049 J. Geom. 110, No. 2, Paper No. 27, 20 p. (2019). Reviewer: Dorin Andrica (Riyadh) MSC: 57R45 32S99 58A05 58K05 PDFBibTeX XMLCite \textit{S. Honda} et al., J. Geom. 110, No. 2, Paper No. 27, 20 p. (2019; Zbl 1423.57049) Full Text: DOI
Ross, John On the existence of a closed, embedded, rotational \(\lambda \)-hypersurface. (English) Zbl 1417.53008 J. Geom. 110, No. 2, Paper No. 26, 12 p. (2019). MSC: 53A07 53C42 53C44 PDFBibTeX XMLCite \textit{J. Ross}, J. Geom. 110, No. 2, Paper No. 26, 12 p. (2019; Zbl 1417.53008) Full Text: DOI arXiv
Obst, Alina A perimeter-based angle measure in generalized Minkowski planes. (English) Zbl 1418.51002 J. Geom. 110, No. 2, Paper No. 25, 17 p. (2019). MSC: 51B20 52A21 PDFBibTeX XMLCite \textit{A. Obst}, J. Geom. 110, No. 2, Paper No. 25, 17 p. (2019; Zbl 1418.51002) Full Text: DOI
Harutyunyan, Davit; Nazaryan, Aram; Pambuccian, Victor The Hajja-Martini inequality in a weak absolute geometry. (English) Zbl 1417.51009 J. Geom. 110, No. 2, Paper No. 24, 16 p. (2019). MSC: 51F05 51M16 51M04 51M05 PDFBibTeX XMLCite \textit{D. Harutyunyan} et al., J. Geom. 110, No. 2, Paper No. 24, 16 p. (2019; Zbl 1417.51009) Full Text: DOI
Bulut, Şenay \(\mathcal{D}\)-homothetic deformation on almost contact \(B\)-metric manifolds. (English) Zbl 1417.53030 J. Geom. 110, No. 2, Paper No. 23, 12 p. (2019). MSC: 53C15 53C25 53C50 PDFBibTeX XMLCite \textit{Ş. Bulut}, J. Geom. 110, No. 2, Paper No. 23, 12 p. (2019; Zbl 1417.53030) Full Text: DOI
Kashani, S. M. B.; Vanaei, M. J.; Yaghoobi, S. M. Semi-Riemannian hypersurfaces in \(\mathbb{L}^{n+1}\) with a totally geodesic foliation of codimension one. (English) Zbl 1417.53017 J. Geom. 110, No. 2, Paper No. 22, 12 p. (2019). MSC: 53B25 53A35 PDFBibTeX XMLCite \textit{S. M. B. Kashani} et al., J. Geom. 110, No. 2, Paper No. 22, 12 p. (2019; Zbl 1417.53017) Full Text: DOI arXiv
Napolitano, Vito Two characterizations of the family of secant lines of an ovoid of \(\mathrm{PG}(3,q)\). (English) Zbl 1418.51005 J. Geom. 110, No. 2, Paper No. 21, 7 p. (2019). Reviewer: Steven T. Dougherty (Scranton) MSC: 51E26 PDFBibTeX XMLCite \textit{V. Napolitano}, J. Geom. 110, No. 2, Paper No. 21, 7 p. (2019; Zbl 1418.51005) Full Text: DOI
Hasanis, Thomas Translation surfaces with non-zero constant mean curvature in Euclidean space. (English) Zbl 1419.53007 J. Geom. 110, No. 2, Paper No. 20, 8 p. (2019). MSC: 53A10 53C45 53A05 PDFBibTeX XMLCite \textit{T. Hasanis}, J. Geom. 110, No. 2, Paper No. 20, 8 p. (2019; Zbl 1419.53007) Full Text: DOI
Innamorati, Stefano; Zuanni, Fulvio A characterization of the set of internal points of a conic in \(\mathrm{PG}(2,q), q\) odd. (English) Zbl 1417.51006 J. Geom. 110, No. 2, Paper No. 19, 9 p. (2019). MSC: 51E20 51E21 PDFBibTeX XMLCite \textit{S. Innamorati} and \textit{F. Zuanni}, J. Geom. 110, No. 2, Paper No. 19, 9 p. (2019; Zbl 1417.51006) Full Text: DOI