Algebras with operator and Campbell-Hausdorff formula |
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| Authors: | O M Khudaverdian |
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| Institution: | (1) Department of Theoretical Physics, Yerevan State University, Yerevan, Armenia |
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| Abstract: | We introduce some new classes of algebras and establish within these algebras Campbell-Hausdorff-like formulae. We describe the application of these constructions to the problem of the connectivity of the Feynman graphs corresponding to Green functions in quantum fields theory. |
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| Keywords: | 22-XX 81Q30 34B27 |
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