Results 31 to 40 of about 60 (60)

HOMOTHETIC INTERVAL ORDERS

open access: yes, 2008
We give a characterization of the non-empty binary relations  on a N∗-set A such that there exist two morphisms of N∗-sets u1, u2: A → R+ verifying u1 ≤ u2 and x  y ⇔ u1(x)>u2(y). They are called homothetic interval orders.
Marc Le Menestrel
core  

The Page Number Problem for Partially Ordered Sets

open access: yes, 2013
Umieszczenie grafu w książce jest definiowane przez kolejność jego wierzchołków na grzbiecie książki i przyporządkowanie jego krawędzi stronom książki tak, aby na żadnej stronie krawędzie nie przecinały się. Umieszczenie zbioru częściowo uporządkowanego (
Kwiatkowska, Anna Beata
core  

A note on Stone join-semilattices

open access: yesOpen Mathematics, 2011
Nimbhorkar Shriram, Rahemani Anwari
doaj   +1 more source

Ideals in distributive posets

open access: yesOpen Mathematics, 2011
Batueva Cyndyma, Semenova Marina
doaj   +1 more source

A poset hierarchy

open access: yesOpen Mathematics, 2006
Džamonja Mirna, Thompson Katherine
doaj   +1 more source

Ideals which generalize (v 0)

open access: yesOpen Mathematics, 2010
Kalemba Piotr, Plewik Szymon
doaj   +1 more source

The Space of Equidistant Phylogenetic Cactuses. [PDF]

open access: yesAnn Comb
Huber KT   +4 more
europepmc   +1 more source
Some of the next articles are maybe not open access.

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Left and right G-outer inverses

Linear and Multilinear Algebra, 2022
Dijana Mosić
exaly  

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