Lattices of topologies of unary algebras of the variety~$\mathcal A_{1,1}$
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (2009), pp. 25-32

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We consider the variety of unary algebras $\langle A,f,g\rangle$ defined by the identities $f(g(x))=g(f(x))=x$. We describe algebras of this variety, whose lattices of topologies are modular, distributive, linearly ordered, complemented, or pseudocomplemented.
Keywords: unary algebra, lattice of topologies, variety.
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     author = {A. V. Kartashova},
     title = {Lattices of topologies of unary algebras of the variety~$\mathcal A_{1,1}$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {25--32},
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     number = {4},
     year = {2009},
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A. V. Kartashova. Lattices of topologies of unary algebras of the variety~$\mathcal A_{1,1}$. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (2009), pp. 25-32. http://geodesic.mathdoc.fr/item/IVM_2009_4_a2/