Manuscript XVI-D@1 · XVI-D.tex · definition · b73c6f4a

Definition: Past compactness relative to observation sets

Past compactness and the source-domain distinction · lines 632–641

XVI-D@1#def:past

An ambient field $F$ is called past compact relative to compact observation sets if

supp F \cap J^{-} (K)

is compact for every compact $K \subset M$ . This is the meaning of “past compact” used in this manuscript.

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