A Variational Principle in Discrete Space-Time - Existence of Minimizers

Felix Finster
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Submission date: 19. Apr. 2005
Pages: 22
Download preprint: PDF (236 kB), PS ziped (203 kB)

Abstract:
We formulate a variational principle for a collection of projectors in an indefinite inner product space. The existence of minimizers is proved under general assumptions.