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Applications of Homological Algebra Introduction to Perverse Sheaves Spring 2007 P. Achar
 

Summary: Applications of Homological Algebra Introduction to Perverse Sheaves
Spring 2007 P. Achar
Perverse Sheaves Quick Reference Guide
April 19, 2007
Operations. f-1
, Rf, Rf!, f!
, L
, R Hom
a : X {} constant map: R = Ra Rc = Ra!
R Hom Sheaf cohom.: Hi
(X, F) := Hi
(R(F))
R R Hom " w/cpt. supp.: Hi
c(X, F) := Hi
(Rc(F))
Compo- (f g)-1
g-1
f-1
R(f g) Rf Rg
sitions: (f g)!

  

Source: Achar, Pramod - Department of Mathematics, Louisiana State University

 

Collections: Mathematics