Geodesic
Generalization of the Berezin Formula to the Noncommutative Case
Matematičeskie zametki, Tome 69 (2001) no. 2, pp. 295-302.

Voir la notice de l'article provenant de la source Math-Net.Ru

With the help of functional integrals in Fock space, under some analytical assumptions, we construct representations for exponents of quadratic functions of creation and annihilation operators with noncommuting coefficients. 
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A. G. Tokarev. Generalization of the Berezin Formula to the Noncommutative Case. Matematičeskie zametki, Tome 69 (2001) no. 2, pp. 295-302. http://geodesic.mathdoc.fr/item/MZM_2001_69_2_a12/

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