Results 11 to 20 of about 21,967 (186)

Probabilistic convergence spaces and generalized metric spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1998
The category PPRS(Δ), whose objects are probabilistic pretopological spaces which satisfy an axiom (Δ) and whose morphisms are continuous mappings, is introduced.
Paul Brock
doaj   +1 more source

p-regular Cauchy completions

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2000
This paper gives a further development of p-regular completion theory, including a study of p-regular Reed completions, the role of diagonal axioms, and the relationship between p-regular and p-topological completions.
Darrell C. Kent, Jennifer Wig
doaj   +1 more source

On the proof complexity of Paris-harrington and off-diagonal ramsey tautologies [PDF]

open access: yes, 2016
We study the proof complexity of Paris-Harrington’s Large Ramsey Theorem for bi-colorings of graphs and of off-diagonal Ramsey’s Theorem. For Paris-Harrington, we prove a non-trivial conditional lower bound in Resolution and a non-trivial upper bound ...
Carlucci, Lorenzo   +2 more
core   +1 more source

Measuring non-linear dependence for two random variables distributed along a curve [PDF]

open access: yes, 2009
The final publication is available at link.springer.comWe propose new dependence measures for two real random variables not necessarily linearly related. Covariance and linear correlation are expressed in terms of principal components and are generalized
Delicado Useros, Pedro Francisco   +1 more
core   +2 more sources

From the octagon to the SFT vertex - gluing and multiple wrapping [PDF]

open access: yes, 2017
We compare various ways of decomposing and decompactifying the string field theory vertex and analyze the relations between them. We formulate axioms for the octagon and show how it can be glued to reproduce the decompactified pp-wave SFT vertex which in
Bajnok, Zoltan, Janik, Romuald A.
core   +4 more sources

On Hereditarily Normal Topological Groups

open access: yes, 2012
In this paper we investigate hereditarily normal topological groups and their subspaces. We prove that every compact subspace of a hereditarily normal topological group is metrizable.
Buzyakova, Raushan
core   +1 more source

Validity, dialetheism and self-reference [PDF]

open access: yes, 2018
It has been argued recently (Beall in Spandrels of truth, Oxford University Press, Oxford, 2009; Beall and Murzi J Philos 110:143–165, 2013) that dialetheist theories are unable to express the concept of naive validity.
Pailos, Federico Matias
core   +1 more source

Pretopological and topological lattice-valued convergence spaces [PDF]

open access: yes, 2007
We show that the classical axiom which characterizes pretopological convergence spaces splits into two axioms in the general Heyting algebra-valued case.
Jäger, G
core   +1 more source

An Algebraic Approach to Form Factors

open access: yes, 1994
An associative $*$-algebra is introduced (containing a $TTR$-algebra as a subalgebra) that implements the form factor axioms, and hence indirectly the Wightman axioms, in the following sense: Each $T$-invariant linear functional over the algebra ...
Babujian   +37 more
core   +1 more source

Classification of Finite Spectral Triples [PDF]

open access: yes, 1997
It is known that the spin structure on a Riemannian manifold can be extended to noncommutative geometry using the notion of a spectral triple. For finite geometries, the corresponding finite spectral triples are completely described in terms of matrices ...
Alvarez   +17 more
core   +2 more sources

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