The spectrum of a finite pseudocomplemented modular lattice |
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Authors: | Wei Ji Xiao Long Xin |
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Institution: | (1) Department of Applied Mathematics, Higher School of Economics, 33/5 u1. Kirpichnaya, 105 679 Moscow, Russia;(2) CNRS UMR 7090, ECP6, 175 rue du Chevaleret, 75013 Paris, France |
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Abstract: | We propose the minimal representation of an element in a pseudocomplemented modular lattice satisfying the descending chain condition and prove that the minimal representation of an element is unique. Then we give necessary and sufficient conditions under which a sequence can be the spectrum of a modular lattice and a distributive lattice, respectively. These results settle two problems raised by G. Grätzer, D. S. Gunderson and R. W. Quackenbush in 2009. |
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