Results 11 to 20 of about 1,008,318 (283)

The hyperbolic geometry of financial networks. [PDF]

open access: yesSci Rep, 2021
Based on data from the European banking stress tests of 2014, 2016 and the transparency exercise of 2018 we construct networks of European banks and demonstrate that the latent geometry of these financial networks can be well-represented by geometry of ...
Keller-Ressel M, Nargang S.
europepmc   +7 more sources

Hyperbolic geometry of gene expression. [PDF]

open access: yesiScience, 2021
Summary: Patterns of gene expressions play a key role in determining cell state. Although correlations in gene expressions have been well documented, most of the current methods treat them as independent variables.
Zhou Y, Sharpee TO.
europepmc   +2 more sources

The Beckman–Quarles Theorem in Hyperbolic Geometry [PDF]

open access: yesJournal of Mathematics, 2021
In this paper, we present the counterpart of the Beckman–Quarles theorem in the Poincaré disc model of hyperbolic geometry to characterize the gyroisometries (hyperbolic isometries) with a single nonzero distance a∈0,1 satisfying a2∈ℚ.
Oğuzhan Demirel   +2 more
doaj   +2 more sources

Hyperbolic Geometry [PDF]

open access: yes
Abstract Every compact surface admits a constant curvature metric, endowing it with a geometry. For surfaces of genus at least 2, this leads to hyperbolic geometry. The model space is the hyperbolic plane. We give a brief introduction to the beautiful world of hyperbolic geometry in dimension 2 starting from the hyperbolic plane and ...
Clarence Kineider   +4 more
core   +5 more sources

METHODOLOGICAL APPROACH TO CONGRUENCE OF QUADRILATERALS IN HYPERBOLIC GEOMETRY

open access: yesFacta Universitatis. Series, Teaching, Learning and Teacher Education, 2021
In this paper we will prove new criteria for the congruence of convex quadrilaterals in Hyperbolic geometry and consequently, display the appropriate methodological approach in teaching the same.
Milan Zlatanović, Victor Aguilar
doaj   +1 more source

An Extension of Poincare Model of Hyperbolic Geometry with Gyrovector Space Approach [PDF]

open access: yesMathematics Interdisciplinary Research, 2016
‎The aim of this paper is to show the importance of analytic hyperbolic geometry introduced in [9]‎. ‎In [1]‎, ‎Ungar and Chen showed that the algebra of the group SL(2, C) naturally leads to the notion of gyrogroups ‎and gyrovector spaces for dealing ...
Mahfouz Rostamzadeh   +1 more
doaj   +1 more source

Potential Theory on Gromov Hyperbolic Spaces

open access: yesAnalysis and Geometry in Metric Spaces, 2022
Gromov hyperbolic spaces have become an essential concept in geometry, topology and group theory. Herewe extend Ancona’s potential theory on Gromov hyperbolic manifolds and graphs of bounded geometry to a large class of Schrödinger operators on Gromov ...
Kemper Matthias, Lohkamp Joachim
doaj   +1 more source

Hyperbolic geometry of complex networks [PDF]

open access: yesPhysical Review E, 2010
We develop a geometric framework to study the structure and function of complex networks. We assume that hyperbolic geometry underlies these networks, and we show that with this assumption, heterogeneous degree distributions and strong clustering in complex networks emerge naturally as simple reflections of the negative curvature and metric property of
Krioukov, Dmitri   +4 more
openaire   +4 more sources

Hyperbolic string tadpole

open access: yesSciPost Physics, 2023
Hyperbolic geometry on the one-bordered torus is numerically uniformized using Liouville theory. This geometry is relevant for the hyperbolic string tadpole vertex describing the one-loop quantum corrections of closed string field theory.
Atakan Hilmi Firat
doaj   +1 more source

KONFLIK KOGNITIF MAHASISWA DALAM MEMAHAMI KONSEP GEOMETRI HIPERBOLIK DAN ELLIPTIK

open access: yesJupitek, 2020
Using schemes of Euclid's geometrical concepts in long-term memory to understand hyperbolic geometry and elliptic geometry concepts with assimilation and accommodation allows for cognitive conflict.
Mega Teguh Budiarto, Rini Setyaningsih
doaj   +1 more source

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