Weakly regular $T^2$-symmetric spacetimes. The global geometry of future Cauchy developments

2015 ◽  
Vol 17 (5) ◽  
pp. 1229-1292 ◽  
Author(s):  
Philippe LeFloch ◽  
Jacques Smulevici
Keyword(s):  
Global Geometry ◽  
Symmetric Spacetimes

Global geometry of -symmetric spacetimes with weak regularity

2010 ◽  
Vol 348 (21-22) ◽  
pp. 1231-1233 ◽  
Author(s):  
Philippe G. LeFloch ◽  
Jacques Smulevici
Keyword(s):  
Global Geometry ◽  
Weak Regularity ◽  
Symmetric Spacetimes

scholarly journals Photon surfaces in less symmetric spacetimes

2021 ◽  
Vol 103 (4) ◽  
Author(s):  
Yasutaka Koga ◽  
Takahisa Igata ◽  
Keisuke Nakashi
Keyword(s):  
Symmetric Spacetimes

Global geometry optimization of (Ar)n and B(Ar)n clusters using a modified genetic algorithm

1996 ◽  
Vol 104 (7) ◽  
pp. 2684-2691 ◽  
Author(s):  
Susan K. Gregurick ◽  
Millard H. Alexander ◽  
Bernd Hartke
Keyword(s):  
Genetic Algorithm ◽  
Geometry Optimization ◽  
Global Geometry ◽  
Modified Genetic Algorithm

Geometry of the bifurcations of the normalized reduced Henon–Heiles family

1982 ◽  
Vol 382 (1783) ◽  
pp. 361-371 ◽  
Keyword(s):  
Bifurcation Diagram ◽  
Main Resonance ◽  
Fourth Degree ◽  
Global Geometry ◽  
Geometric Explanation ◽  
Hamiltonian Functions

This paper deals with the global geometry of the bifurcations of a family of Hamiltonian functions that arises from normalizing the Henon–Heiles family to fourth-degree terms and then performing a reduction. This gives a geometric explanation of the bifurcation diagram for the main resonance in the model of axisymmetric galaxies of Braun and Verhulst.

Classification of Static Spherically Symmetric Spacetimes by Noether Symmetries

2013 ◽  
Vol 52 (10) ◽  
pp. 3534-3542 ◽  
Author(s):  
Ashfaque H. Bokhari ◽  
A. G. Johnpillai ◽  
A. H. Kara ◽  
F. M. Mahomed ◽  
F. D. Zaman
Keyword(s):  
Spherically Symmetric ◽  
Noether Symmetries ◽  
Symmetric Spacetimes ◽  
Spherically Symmetric Spacetimes ◽  
Static Spherically Symmetric Spacetimes

scholarly journals Some Aspects of the global Geometry of Entire Space-Like Submanifolds

2001 ◽  
Vol 40 (1-4) ◽  
pp. 233-245 ◽  
Author(s):  
J. Jost ◽  
Y. L. Xin
Keyword(s):  
Entire Space ◽  
Global Geometry
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