Proximity Between Selfadjoint Operators and Between Their Associated Random Measures
نویسندگان
چکیده
منابع مشابه
Pairs of Selfadjoint Operators and Their Invariants
A trace formula is proved for pairs of selfadjoint operators that are close to each other in a certain sense. An important role is played by a function analytic in the open upper half-plane and with positive imaginary part there. This function, called the characteristic function of the pair, coincides with Krĕın’s Q-function in the case where the selfadjoint operators are canonical extensions o...
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ژورنال
عنوان ژورنال: European Journal of Pure and Applied Mathematics
سال: 2018
ISSN: 1307-5543
DOI: 10.29020/nybg.ejpam.v11i4.2552