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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Gauss-Bonnet formula beyond the aspherical conjecture
超越非球面猜想 Gauss-Bonnet 曲面
2023/4/21
In this talk, I'll make a discussion on recent progress in the research of scalar curvature. I'll review the backgrounds from Gauss-Bonnet formula to the aspherical conjecture, and then focus on the f...
The attractor mechanism in Gauss-Bonnet gravity
A black hole gravitational coupling system the second derivative
2014/12/20
We study extremal black hole solutions of D = 5 Gauss-Bonnet gravity coupled to a system of gauge and scalar fields. As in Einstein gravity, we find that the values of the scalar fields on the horizon...
Curved noncommutative torus and Gauss--Bonnet
noncommutative torus Gauss--Bonnet Quantum Algebra
2012/4/18
We study perturbations of the flat geometry of the noncommutative two-dimensional torus T^2_\theta (with irrational \theta). They are described by spectral triples (A_\theta, \H, D), with the Dirac op...
Noether symmetry for Gauss-Bonnet dilatonic gravity
Noether symmetry Gauss-Bonnet dilatonic
2011/9/27
Noether symmetry for Gauss-Bonnet-Dilatonic interaction exists for a constant dilatonic scalar potential and a linear functional dependence of the coupling parameter on the scalar field. The symmetry ...
Vainshtein mechanism in Gauss-Bonnet gravity and Galileon aether
Vainshtein mechanism Gauss-Bonnet gravity Galileon aether
2011/10/18
We derive field equations of Gauss-Bonnet gravity in 4 dimensions after dimensional reduction of the action and demonstrate that in this scenario Vainshtein mechanism operates in the flat spherically ...
Gauss-Bonnet holographic superconductors with magnetic field
We study the Gauss-Bonnet (GB) holographic superconductors with an external magnetic field. We describe the phenomena away from the probe limit. We derive
2011/8/29
We study the Gauss-Bonnet (GB) holographic superconductors with an external magnetic field. We describe the phenomena away from the probe limit. We derive
the critical magnetic field of the GB hologr...
The effects of nonlinear Maxwell source on the magnetic solutions in Einstein-Gauss-Bonnet gravity
nonlinear Maxwell source magnetic solutions Einstein-Gauss-Bonnet gravity
2011/3/4
Considering both the power Maxwell invariant source and the Einstein–Gauss–Bonnet gravity,
we present a new class of static solutions yields a spacetime with a longitudinal nonlinear magnetic field.
Energy conditions in modified Gauss-Bonnet gravity
Energy conditions modified Gauss-Bonnet gravity
2010/12/27
In considering alternative higher-order gravity theories, one is liable to be motivated in pursuing models consistent and inspired by several candidates of a fundamental theory of quantum gravity. In...
More on the dilatonic Einstein-Gauss-Bonnet gravity
dilatonic Einstein-Gauss-Bonnet gravity
2010/12/23
Einstein-Gauss-Bonnet gravity coupled to a dynamical dilaton is examined from the viewpoint of Einstein's equivalence principle. We point out that the usual frame change that applies to the action wit...
More on the dilatonic Einstein-Gauss-Bonnet gravity
dilatonic Einstein-Gauss-Bonnet gravity High Energy Physics
2010/12/23
Einstein-Gauss-Bonnet gravity coupled to a dynamical dilaton is examined from the viewpoint of Einstein's equivalence principle. We point out that the usual frame change that applies to the action wit...
Thermodynamics of Slowly Rotating Charged Black Holes in anti-de Sitter Einstein-Gauss-Bonnet Gravity
Black Holes anti-de Sitter Einstein-Gauss-Bonnet Gravity
2010/12/20
By using a new approach, we demonstrate analytic expressions for slowly rotating Gauss-Bonnet charged black holes with negative cosmological constant. Up to the linear order of the rotating parameter ...
Energy conditions in modified Gauss-Bonnet gravity
Energy conditions Gauss-Bonnet gravity
2010/12/20
In considering alternative higher-order gravity theories, one is liable to be motivated in pursuing models consistent and inspired by several candidates of a fundamental theory of quantum gravity.
Thermodynamics of Gauss-Bonnet-Born-Infeld black holes in AdS space
Thermodynamics Gauss-Bonnet-Born-Infeld black holes AdS space
2010/12/20
We construct solutions of a model which includes the Gauss-Bonnet and Born-Infeld terms for various horizon topologies (k = 0,±1), and then the mass, temperature,entropy and heat capacity of black hol...
More on the dilatonic Einstein-Gauss-Bonnet gravity
dilatonic Einstein-Gauss-Bonnet gravity
2010/12/21
Einstein-Gauss-Bonnet gravity coupled to a dynamical dilaton is examined from the viewpoint
of Einstein’s equivalence principle. We point out that the usual frame change that applies to
the action w...
Correspondence between entropy-corrected holographic and Gauss-Bonnet dark energy models
Correspondence between entropy-corrected holographic Gauss-Bonnet dark energy models
2010/12/20
In the present work we investigate the cosmological implications of the entropy-corrected
holographic dark energy (ECHDE) density in the Gauss-Bonnet framework. This is motivated
from the loop quant...