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hep-ph1998
Trace evaluation of matrix determinants and inversion of 4 4 matrices in terms of Dirac covariants
Frieder Kleefeld, Manfred Dillig
In the following short paper we list some useful results concerning determinants and inverses of matrices. First we show, how to calculate determinants of matrices, if…
hep-ph1996
Chiral Symmetry in algebraic and analytic approaches
V. Vereshagin, M. Dillig, A. Vereshagin
We compare among themselves two different methods for the derivation of results following from the requirement of polynomial boundedness of tree-level chiral amplitudes. It is show…