edge-of-the-wedge theorem

English

Noun

edge-of-the-wedge theorem (plural edge-of-the-wedge theorems)

  1. (mathematics) A theorem implying that holomorphic functions on two "wedges" with an "edge" in common are analytic continuations of each other provided they both give the same continuous function on the edge. It is used in quantum field theory to construct the analytic continuation of Wightman functions.
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