The centre of a finite semifield plane is a geometric invariant

1988 ◽  
Vol 50 (1) ◽  
pp. 93-96
Author(s):  
V. Jha ◽  
N. L. Johnson
Keyword(s):  
Semifield Plane ◽  
Geometric Invariant ◽  
Finite Semifield

scholarly journals A geometric invariant of virtual n-links

2020 ◽  
Vol 282 ◽  
pp. 107311
Author(s):  
Blake K. Winter
Keyword(s):  
Geometric Invariant

scholarly journals Perverse Schobers and Wall Crossing

2017 ◽  
Vol 2019 (18) ◽  
pp. 5777-5810 ◽  
Author(s):  
W Donovan
Keyword(s):  
Invariant Theory ◽  
Local System ◽  
Vector Spaces ◽  
Geometric Invariant ◽  
Perverse Sheaf ◽  
Derived Equivalences ◽  
Grothendieck Groups ◽  
Wall Crossing ◽  
Git Quotient ◽  
Cohomology Complex

Abstract For a balanced wall crossing in geometric invariant theory (GIT), there exist derived equivalences between the corresponding GIT quotients if certain numerical conditions are satisfied. Given such a wall crossing, I construct a perverse sheaf of categories on a disk, singular at a point, with half-monodromies recovering these equivalences, and with behaviour at the singular point controlled by a GIT quotient stack associated to the wall. Taking complexified Grothendieck groups gives a perverse sheaf of vector spaces: I characterize when this is an intersection cohomology complex of a local system on the punctured disk.

scholarly journals Fast screening of protein surfaces using geometric invariant fingerprints

2009 ◽  
Vol 106 (39) ◽  
pp. 16622-16626 ◽  
Author(s):  
S. Yin ◽  
E. A. Proctor ◽  
A. A. Lugovskoy ◽  
N. V. Dokholyan
Keyword(s):  
Geometric Invariant ◽  
Protein Surfaces ◽  
Fast Screening

Nuclear fusion in finite semifield planes

2004 ◽  
Vol 4 (4) ◽  
Author(s):  
Vikram Jha ◽  
Norman L. Johnson
Keyword(s):  
Nuclear Fusion ◽  
Finite Semifield ◽  
Semifield Planes

Matrix-geometric invariant measures for G/M/l type Markov chains

1998 ◽  
Vol 14 (3) ◽  
pp. 537-569 ◽  
Author(s):  
H. R. Gail ◽  
S. L. Hantler ◽  
B. A. Taylor
Keyword(s):  
Markov Chains ◽  
Invariant Measures ◽  
Geometric Invariant
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