Congruences on abundant semigroups associated with Green’s *-relations
Sign Up to like & getrecommendations! Published in 2017 at "Periodica Mathematica Hungarica"
DOI: 10.1007/s10998-016-0163-y
Abstract: Good congruences are defined as congruences preserving $$\mathcal L^*$$L∗-classes and $$\mathcal R^*$$R∗-classes. In this paper the good congruences on abundant semigroups generated by Green’s $$*$$∗-relations are investigated. The related results for regular semigroups are enriched… read more here.
Keywords: semigroups associated; abundant semigroups; associated green; green relations ... See more keywords
Elliptic differential operators and positive semigroups associated with generalized Kantorovich operators
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mathematical Analysis and Applications"
DOI: 10.1016/j.jmaa.2017.08.034
Abstract: Abstract Deepening the study of a new approximation sequence of positive linear operators we introduced and studied in [12] , in this paper we disclose its relationship with the Markov semigroup (pre)generation problem for a… read more here.
Keywords: operators positive; semigroups associated; positive semigroups; elliptic differential ... See more keywords
Corrigendum to “Representations of ⁎-semigroups associated to invariant kernels with values adjointable operators” [Linear Algebra Appl. 486 (2015) 361–388]
Sign Up to like & getrecommendations! Published in 2020 at "Linear Algebra and its Applications"
DOI: 10.1016/j.laa.2020.01.009
Abstract: Abstract We correct a lemma by adding the assumption that the ordered ⁎-space is Archimedean and show by counter-examples and examples that this is needed. read more here.
Keywords: semigroups associated; representations semigroups; associated invariant; invariant kernels ... See more keywords