Results 71 to 80 of about 276 (101)
On factorisations of Left dead ends
Losing a game is difficult. Recent work of Larsson, Nowakowski, and Santos, as well as that of Siegel, has opened up enticing lines of research into partizan misère theory. The algebraic structure of misère monoids is not yet well understood.
Davies, Alfie
core
Weak factorization systems and fibrewise regular injectivity for actions of pomonoids on posets
Farideh Farsad, Ali Madanshekaf
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On unitary down-closed regular monomorphisms of pomonoid actions
In this paper we characterize injective objects in the category of S-posets and S-poset maps for a pomonoid S, with respect to the class of unitary down- closed embeddings. Also, the behaviour of this notion of injectivity with respect to products and coproducts is studied.
Farideh Farsad, A. Madanshekaf
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
S. Ahanger, A. Shah
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
V. Gould, L. Shaheen
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Epimorphisms, dominions and amalgamation in pomonoids
If \(f\colon S\to T\) is an epimorphism of monoids, then it is an epimorphism of pomonoids. The author shows that the converse statement also holds. That is, if \(f\colon S\to T\) is an epimorphism of pomonoids, then it is an epimorphism of monoids.
Sohail Nasir
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On the homological classification of pomonoids: Clifford pomonoids
The author characterizes Clifford pomonoids all of whose Rees factor \(S\)-posets satisfy property \((P_w)\), which in the row of so-called flatness properties lies between projective and po-flat. Clifford pomonoid (the author does not use this term) means a pomonoid which as a monoid is a Clifford semigroup.
Mati Kilp
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Representation Extension and Amalgamation in Pomonoids
Flatness properties of acts over monoids and their connection with monoid amalgamation have been investigated for almost four decades and a substantial literature on the subject has now appeared. Analogous research, concerning the action of partially ordered monoids on partially ordered sets and its relation to pomonoid amalgamation, was begun in 1980s
Sydney Bulman‐Fleming, Sohail Nasir
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