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most citedIll-posedness for nonlinear Schrodinger and wave equations

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math.AT2004★ 1 cited

The Lefschetz-Hopf theorem and axioms for the Lefschetz number

Martin Arkowitz, Robert F. Brown

The reduced Lefschetz number, that is, the Lefschetz number minus 1, is proved to be the unique integer-valued function L on selfmaps of compact polyhedra which is constant on homo…