Found 299 Documents (Results 1–100)
Geometry on surfaces, a source for mathematical developments. (English) Zbl 07918839
Papadopoulos, Athanase (ed.), Surveys in geometry II. Cham: Springer. 7-70 (2024).
A generalized cross ratio. (English) Zbl 07861159
Condori, Alberto A. (ed.) et al., Recent progress in function theory and operator theory. AMS special session, virtual, April 6, 2022. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 799, 41-52 (2024).
MSC:
32A08
Circumcenter extension of Moebius maps to \(\mathrm{CAT}(-1)\) spaces. (Extension circoncentre des applications Moebius aux \(\mathrm{CAT}(-1)\) espaces.) (English. French summary) Zbl 07852655
Reviewer: Merlin Incerti-Medici (Wien)
MSC:
51F30
Quasi-metric antipodal spaces and maximal Gromov hyperbolic spaces. (English) Zbl 1535.51011
MSC:
51F30
Circumcenter extension maps for non-positively curved spaces. (English) Zbl 1534.51009
Reviewer: Thilo Kuessner (Eichstätt)
Cycles cross ratio: an invitation. (English) Zbl 1517.51002
Reviewer: Victor V. Pambuccian (Glendale)
Nonparametric bounds for the survivor function under general dependent truncation. (English) Zbl 07677039
MSC:
62-XX
Complex multi-affine polynomials and invariant circles. (English) Zbl 1522.30003
Reviewer: Luis Salinas (Valparaíso)
Estimation of covariate effects in proportional cross-ratio model of bivariate time-to-event outcomes. (English) Zbl 07632278
MSC:
62-XX
Federigo Enriques (1871–1946): a critical study of Lezioni di geometria proiettiva. (English) Zbl 1505.01043
Reviewer: Teun Koetsier (Amsterdam)
Waring rank of binary forms, harmonic cross-ratio and golden ratio. (English) Zbl 1496.14046
Reviewer: Piotr Pokora (Kraków)
The fixed points and cross-ratios of hyperbolic Möbius transformations in bicomplex space. (English) Zbl 1502.30138
MSC:
30G35
Counting tropical rational space curves with cross-ratio constraints. (English) Zbl 1496.14054
Reviewer: Felix Röhrle (Frankfurt am Main)
The Watanabe-Strogatz transform and constant of motion functionals for kinetic vector models. (English) Zbl 1513.70059
Tic-tac geometry: a theorem in full swing. (English) Zbl 07828611
Reviewer: Radoslav M. Dimitrić (New York)
The prime function, the Fay trisecant identity, and the van der Pauw method. On some conjectures on the resistivity of a holey conductor. (English) Zbl 1492.30059
On a rigidity problem of Beardon and Minda. (English) Zbl 1492.30026
MSC:
30C35
Conformally symmetric triangular lattices and discrete \(\vartheta\)-conformal maps. (English) Zbl 1485.30003
Reviewer: Dmitri V. Prokhorov (Saratov)
An arithmetic count of the lines meeting four lines in \(\mathbb{P}^3\). (English) Zbl 1471.14110
Reviewer: Stephen McKean (Durham)
Noncommutative cross-ratio and Schwarz derivative. (English) Zbl 1483.37078
Donagi, Ron (ed.) et al., Integrable systems and algebraic geometry. A celebration of Emma Previato’s 65th birthday. Volume 2. Cambridge: Cambridge University Press. Lond. Math. Soc. Lect. Note Ser. 459, 499-528 (2020).
4-transitivity and cross-ratio in Moufang-Klingenberg planes over rings of plural numbers. (English) Zbl 1464.51007
Reviewer: Dirk Keppens (Gent)
MSC:
51C05
On the hyperbolic distance of \(n\)-times punctured spheres. (English) Zbl 1465.53055
Reviewer: Benjamin McKay (Cork)
MSC:
53C22
SRA-free condition by Zolotov for self-contracted curves and nondegeneracy of the zz-distance for Möbius structures on the circle. (English. Russian original) Zbl 1448.51003
St. Petersbg. Math. J. 31, No. 5, 819-829 (2020); translation from Algebra Anal. 31, No. 5, 90-105 (2019).
Reviewer: Victor V. Pambuccian (Glendale)
MSC:
51B10
Nonparametric estimation of the cross ratio function. (English) Zbl 1456.62048
Reviewer: Tamás M��trai (Edinburgh)
Projective invariants of \(m\)-tuples in the one-dimensional projective space. (English) Zbl 1488.51015
A generalization of the theorem of Von Staudt-Hua-Buekenhout-Cojan in the real \(\overset{=}{\partial}-\mathcal{F}\mathbb{R}^k_{td}\), \(1\le k\le 2n+1\), space on real geometric projective \(P_k\), \(1\le k\le 2n+1\), finite dimensional space. II. (English) Zbl 1449.51001
Random ideal hyperbolic quadrilaterals, the cross ratio distribution and punctured tori. (English) Zbl 1442.30043
Reviewer: Bruno Zimmermann (Trieste)
Cumulative distribution functions for the five simplest natural exponential families. (English) Zbl 1433.62053
Reviewer: Fraser Daly (Edinburgh)
On the maximal dilatation of quasiconformal minimal Lagrangian extensions. (English) Zbl 1435.32017
Reviewer: Bruno Zimmermann (Trieste)
An (isometric) perspective on homographies. (English) Zbl 1429.51009
Reviewer: Hans-Peter Schröcker (Innsbruck)
Some properties of inversions in alpha plane. (English) Zbl 1420.51010
Reviewer: Pietro De Poi (Udine)
Cross-ratio distortion and Douady-Earle extension. III: How to control the dilatation near the origin. (English) Zbl 1423.30017
Reviewer: Dimitrios Betsakos (Thessaloniki)
A generalization of the theorem of Von Staudt-Hua-Buekenhout-Cojan in the real \(\overset=\to\partial-\mathcal{F}\mathbf{R}^k_{td}\), \(1\le k\le 2n+1\), space on real geometric projective \(P_k\), \(1\le k\le 2n+1\), finite dimensional space. I. (English) Zbl 1412.58002
On discrete values of bilinear forms. (English. Russian original) Zbl 1406.52034
Sb. Math. 209, No. 10, 1482-1497 (2018); translation from Mat. Sb. 209, No. 10, 71-88 (2018).
Concurrency in hexagons – a trigonometric tale. (English) Zbl 1409.51014
Reviewer: Sándor Nagydobai Kiss (Satu Mare)
Image matching by topological relations and geometric features. (Chinese. English summary) Zbl 1413.68116
Möbius structures and timed causal spaces on the circle. (English. Russian original) Zbl 1473.51003
St. Petersbg. Math. J. 29, No. 5, 715-747 (2018); translation from Algebra Anal. 29, No. 5, 1-50 (2017).
Reviewer: Duy Ho (Christchurch)
On the singularity of the conjugation between piecewise-smooth circle homeomorphisms. (English) Zbl 1393.37052
On projective umbilics: a geometric invariant and an index. (English) Zbl 1404.53012
Reviewer: Raúl Oset Sinha (València)
The pressure metric on the Margulis multiverse. (English) Zbl 1388.53068
Reviewer: Andrew Bucki (Edmond)
Modelling mean fields in networks of coupled oscillators. (English) Zbl 1393.34046
Reviewer: Carlo Laing (Auckland)
A note on the rigidity of convergence of Möbius transformations. (English) Zbl 1452.30022
Aguilar, Marcelo (ed.) et al., Memorias de la Sociedad Matemática Mexicana. Vol. 13. Mexico City: Universidad Nacional Autonóma de México (UNAM); Sociedad Matemática Mexicana. Mem. Soc. Mat. Mex. 13, 105-112 (2017).
Generalized conchoids. (English) Zbl 1391.14072
Reviewer: Hans-Peter Schröcker (Innsbruck)
The pell equation \(x^2 - (k^2 - 2)y^2 = 1\) and the corresponding integer sequence. (English) Zbl 1399.11083
Characterizing complex networks through statistics of Möbius transformations. (English) Zbl 1378.34058
The \(L^p\)-diameter of the group of area-preserving diffeomorphisms of \(S^2\). (English) Zbl 1405.53104
Möbius and sub-Möbius structures. (English. Russian original) Zbl 1457.53031
St. Petersbg. Math. J. 28, No. 5, 555-568 (2017); translation from Algebra Anal. 28, No. 5, 1-20 (2017).
Möbius rigidity of invariant metrics in boundaries of symmetric spaces of rank-1. (English) Zbl 1387.51006
Reviewer: Norbert Knarr (Stuttgart)
Projective geometry of the plane. A classical approach with interactive visualisation. (Projektive Geometrie der Ebene. Ein klassischer Zugang mit interaktiver Visualisierung.) (German) Zbl 1384.51001
Springer-Lehrbuch Masterclass. Heidelberg: Springer Spektrum (ISBN 978-3-662-54079-4/pbk; 978-3-662-54080-0/ebook). xiv, 117 p. (2017).
Reviewer: Hans-Peter Schröcker (Innsbruck)
On the shape of the cross-ratio function in bivariate survival models induced by truncated and folded normal frailty distributions. (English) Zbl 1396.62238
Integrable Möbius-invariant evolutionary lattices of second order. (English. Russian original) Zbl 1364.35399
Funct. Anal. Appl. 50, No. 4, 257-267 (2016); translation from Funkts. Anal. Prilozh. 50, No. 4, 13-25 (2016).
Local and infinitesimal rigidity of simply connected negatively curved manifolds. (Rigidité locale et infinitésimal des variétés simplement connexes à courbure négative.) (English. French summary) Zbl 1381.53073
Reviewer: Bożena Piątek (Gliwice)
Some algebraic relations on integer sequences involving oblong and balancing numbers. (English) Zbl 1424.11052
New approach to quantum entanglement according to the theory of the harmonicity of the field of light. (English) Zbl 1334.81020
Amoroso, Richard L. (ed.) et al., Unified field mechanics: natural science beyond the veil of spacetime. Proceedings of the IX symposium honoring noted French mathematical physicist Jean-Pierre Vigier, Morgan State University, Baltimore, MD, USA, November 16–19, 2014. Hackensack, NJ: World Scientific (ISBN 978-981-4719-05-6/hbk; 978-981-4719-07-0/ebook). 334-347 (2016).
Higher dimensional Clayton-Oakes models for multivariate failure time data. (English) Zbl 1452.62735
On Moebius and conformal maps between boundaries of \(\mathrm{CAT}(-1)\) spaces. (Sur les applications Moebius et conformes entre les bords des espaces \(\mathrm{CAT}(-1)\).) (English. French summary) Zbl 1328.53051
MSC:
53C24
On the conjugation of piecewise smooth circle homeomorphisms with a finite number of break points. (English) Zbl 1359.37092
Cross-ratios of quadrilateral linkages. (English) Zbl 1328.70002
MSC:
70B15
Real linear maps preserving some complex subspaces. (English) Zbl 1316.15035
Reviewer: Mihail Voicu (Iaşi)
On the classification of right-angled hyperbolic hexagons in dimension 5. (Sur la classification des hexagones hyperboliques à angles droits en dimension 5.) (French. English summary) Zbl 1331.51018
Reviewer: Mowaffaq Hajja (Irbid)
A simple construction on an inconic. (English) Zbl 1320.51019
Reviewer: Ivko Dimitric (Lemont Furnace)
A more general methodology for fitting global cross-ratio models for discrete longitudinal responses. (English) Zbl 1367.62176
Two-point distortion for Nehari functions. (English) Zbl 1297.30037
Reviewer: V. Ravichandran (Delhi)
Projective lines as groupoids with projection structure. (English) Zbl 1308.18002
Reviewer: Hans-Peter Schröcker (Innsbruck)
On the properties of sphere-preserving maps. (English) Zbl 1298.30022
MSC:
30C65
Weighted projective spaces and a generalization of Eves’ theorem. (English) Zbl 1296.51034
Reviewer: Rolf Riesinger (Wien)
Noncommutative cross-ratios. (English) Zbl 1373.15049
Analytic projective geometry. (English) Zbl 1292.51002
EMS Textbooks in Mathematics. Zürich: European Mathematical Society (EMS) (ISBN 978-3-03719-138-5/hbk). xvi, 620 p. (2014).
Reviewer: Werner Kleinert (Berlin)
Inversions in an ellipse. (English) Zbl 1295.51024
Reviewer: Georgi Hristov Georgiev (Shumen)
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