Three-equipped posets and their representations and corepresentations (inseparable case)
نویسندگان
چکیده
منابع مشابه
compactifications and representations of transformation semigroups
this thesis deals essentially (but not from all aspects) with the extension of the notion of semigroup compactification and the construction of a general theory of semitopological nonaffine (affine) transformation semigroup compactifications. it determines those compactification which are universal with respect to some algebric or topological properties. as an application of the theory, it is i...
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A class of stratified posets I∗ ̺ is investigated and their incidence algebras KI ̺ are studied in connection with a class of non-shurian vector space categories. Under some assumptions on I∗ ̺ we associate with I ∗ ̺ a bound quiver (Q,Ω) in such a way that KI∗ ̺ ≃ K(Q,Ω). We show that the fundamental group of (Q,Ω) is the free group with two free generators if I ̺ is rib-convex. In this case the uni...
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چکیده ندارد.
15 صفحه اولOn lattices and their ideal lattices, and posets and their ideal posets
For P a poset or lattice, let Id(P ) denote the poset, respectively, lattice, of upward directed downsets in P, including the empty set, and let id(P ) = Id(P )−{∅}. This note obtains various results to the effect that Id(P ) is always, and id(P ) often, “essentially larger” than P. In the first vein, we find that a poset P admits no <-respecting map (and so in particular, no one-to-one isotone...
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ژورنال
عنوان ژورنال: Linear Algebra and its Applications
سال: 2010
ISSN: 0024-3795
DOI: 10.1016/j.laa.2010.06.045