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math.GM2005★ 7 cited
Automorphisms of the semigroup of all endomorphisms of free algebras
Grigori Zhitomirski
Last years a number of papers were devoted to describing automorphisms of semigroups of endomorphisms of free finitely generated universal algebras of some varieties: groups, semig…
math.GM2004
Some remarks on autoequivalences of categories
Grigori Zhitomirski
Prof. Boris I. Plotkin [arXiv:math.GM/0210194, arXiv:math.GM/0204245] drew attention to the question when an equivalence between two categories is isomorphic as a functor to an iso…