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A relativistic method for the nonrelativistic gap problem

✍ Scribed by Michael Herrmann

Publisher
Springer
Year
1989
Tongue
English
Weight
288 KB
Volume
18
Category
Article
ISSN
0377-9017

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✦ Synopsis

We examine several criteria concerning the problem of gaps in the spectrum of Hamiltomans for one-dimensional alloys In parttcular, a criterion which uses a theorem from the specml theory of relativity is compared with criteria already known.

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## Abstract We study the free boundary problem for the equations of compressible Euler equations with a vacuum boundary condition. Our main goal is to recover in Eulerian coordinates the earlier well‐posedness result obtained by Lindblad [11] for the isentropic Euler equations and extend it to the