Geodesic
An Integer-Valued Version of the Birman--Krein Formula
Funkcionalʹnyj analiz i ego priloženiâ, Tome 44 (2010) no. 4, pp. 80-86

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An identity in abstract scattering theory is discussed. This identity can be interpreted as an integer-valued version of the Birman–Krein formula.
Mots-clés : Birman–Krein formula
Keywords: spectral projections, index, scattering matrix. 
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     author = {A. B. Pushnitskii},
     title = {An {Integer-Valued} {Version} of the {Birman--Krein} {Formula}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {80--86},
     publisher = {mathdoc},
     volume = {44},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2010_44_4_a6/}
}
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A. B. Pushnitskii. An Integer-Valued Version of the Birman--Krein Formula. Funkcionalʹnyj analiz i ego priloženiâ, Tome 44 (2010) no. 4, pp. 80-86. http://geodesic.mathdoc.fr/item/FAA_2010_44_4_a6/