On certain order-preserving transformation semigroups
Sign Up to like & getrecommendations! Published in 2017 at "Communications in Algebra"
DOI: 10.1080/00927872.2016.1233333
Abstract: ABSTRACT Let X be a finite chain. Denote by ????(X) the monoid of all order-preserving full transformations on X. For any nonempty convex subchain Y of X, let Then is a submonoid of ????(X). In… read more here.
Keywords: order preserving; order; preserving transformation; certain order ... See more keywords
Sets of Dirichlet non-improvable numbers with certain order in the theory of continued fractions * * This work was supported by NSFC 11571127, 11871208.
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DOI: 10.1088/1361-6544/abe097
Abstract: Let [a 1(x), a 2(x), …, a n (x), …] be the continued fraction expansion of x ∈ [0, 1) and q n (x) be the denominator of the nth convergent. The study of relative… read more here.
Keywords: sets dirichlet; certain order; numbers certain; dirichlet non ... See more keywords