نتایج جستجو برای: lattice property

تعداد نتایج: 249295  

2012
George Metcalfe Franco Montagna Constantine Tsinakis

The first part of this paper provides a comprehensive and self-contained account of the interrelationships between algebraic properties of varieties and properties of their free algebras and equational consequence relations. In particular, proofs are given of known equivalences between the amalgamation property and the Robinson property, the congruence extension property and the extension prope...

1997
Aernout C. D. van Enter

We review results which have been obtained in the last few years on the topic whether various measures of physical interest, deened on lattice systems, have the Gibbs property or not. Most of the measures we consider occur either within renormalization-group theory or within models of non-equilibrium statistical mechanics. In renormalization-group theory examples we discuss in particular the un...

2012
X. Caicedo

The finite model property of the variety of S-algebras was proved by X. Caicedo using Kripke model techniques of the associated calculus. A more algebraic proof, but still strongly based on Kripke model ideas, was given by Muravitskii. In this article we give a purely algebraic proof for the finite model property which is strongly based on the fact that for every element x in a S-algebra the in...

2004
Manjunath Krishnapur Yuval Peres

We present a class of graphs where simple random walk is recurrent, yet two independent walkers meet only finitely many times almost surely. In particular, the comb lattice, obtained from Z 2 by removing all horizontal edges off the x-axis, has this property. We also conjecture that the same property holds for some other graphs, including the incipient infinite cluster for critical percolation ...

2008
François Dupressoir David Pichardie

ions Since we want our analysis to be sound (i.e. to nd all errors), we need to abstract in a conservative manner, all properties being represented by an over-approximation of it. Moreover, we would like to have a unique best abstract property for each concrete property. Given a concrete complete lattice (D,⊆, ⋂ , ⋂ ), an abstraction of D is thus a sublattice D with induced order and bounds suc...

2008
Manjunath Krishnapur Yuval Peres

We present a class of graphs where simple random walk is recurrent, yet two independent walkers meet only finitely many times almost surely. In particular, the comb lattice, obtained from Z 2 by removing all horizontal edges off the x-axis, has this property. We also conjecture that the same property holds for some other graphs, including the incipient infinite cluster for critical percolation ...

Journal: :Studia Logica 2007
T. S. Blyth Jie Fang

An algebra A is said to be congruence coherent if every subalgebra of A that contains a class of some congruence θ on A is a union of θ-classes. This property has been investigated in several varieties of lattice-based algebras. These include, for example, de Morgan algebras, p-algebras, double p-algebras, and double MS-algebras. Here we determine precisely when the property holds in the class ...

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