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5
votes
0answers
133 views

Divisibility of all entries in an intersection form

What are situations where one can conclude that all entries of an intersection form are divisible by a fixed integer? More precisely: $F \subset S$ is a proper connected (usually reducible) ...
1
vote
0answers
471 views

Which statement do people usually call the Decomposition Theorem, and what is the precise reference for it?

Which statement is usually called the Decomposition Theorem (for perverse sheaves)? Is this (roughly): a proper pushforward of an intersection complex could be decomposed into a direct sum of ...
0
votes
0answers
16 views

Is it possible to design an algorithm an optimization problem with non-convex and coupled constraints, using decomposition methods?

Recently, I am working on an optimization problem in wireless networks. I formulate the problem to be an optimization problem with non-convex and coupled non-linear constraints. And I want to design a ...