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math.QA2009
Polynomial invariants for a semisimple and cosemisimple Hopf algebra of finite dimension
Michihisa Wakui
We introduce new polynomial invariants of a finite-dimensional semisimple and cosemisimple Hopf algebra A over a field by using the braiding structures of A. We investigate basic p…
cond-mat.mtrl-sci2009★ 103 cited
Ferromagnetism and Electronic Structures of Nonstoichiometric Heusler-Alloy Fe_3-xMn_xSi Epilayers Grown on Ge(111)
K. Hamaya, H. Itoh, O. Nakatsuka +6
For the study of ferromagnetic materials which are compatible with group-IV semiconductor spintronics, we demonstrate control of the ferromagnetic properties of Heusler-alloys Fe_3…