On positivity of spectral shift functions
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DOI: 10.1016/j.laa.2017.02.026
Abstract: Abstract We show that every spectral shift function of an even order η 2 k is nonnegative outside the convex hull of the spectrum of an initial operator cvh σ ( H ) ; every… read more here.
Keywords: spectral shift; positivity spectral; shift functions; shift ... See more keywords