The exact Peano derivative
نویسندگان
چکیده
منابع مشابه
Derivative Expansion of the Exact Renormalization Group
The functional flow equations for the Legendre effective action, with respect to changes in a smooth cutoff, are approximated by a derivative expansion; no other approximation is made. This results in a set of coupled non-linear differential equations. The corresponding differential equations for a fixed point action have at most a countable number of solutions that are well defined for all val...
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ژورنال
عنوان ژورنال: Transactions of the American Mathematical Society
سال: 1954
ISSN: 0002-9947
DOI: 10.1090/s0002-9947-1954-0062207-1