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Arnold–Givental conjecture : ウィキペディア英語版
Arnold–Givental conjecture
The Arnold–Givental conjecture, named after Vladimir Arnold and Alexander Givental, is a statement on Lagrangian submanifolds. It gives a lower bound in terms of the Betti numbers of on the number of intersection points of with a Hamiltonian isotopic Lagrangian submanifold which intersects transversally.
Let be a smooth family of Hamiltonian functions of and denote by the one-time map of the flow of the Hamiltonian vector field of . Assume that and intersect transversally. Then the number of intersection points of and can be estimated from below by the sum of the Betti numbers of , i.e.
:\left | L \cap \varphi_H (L) \right | \geq \sum_^n b_k \left (L; \mathbf_2 \right)
Up to now, the Arnold–Givental conjecture could only be proven under some additional assumptions.
==See also==

* Arnold conjecture

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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