fundamental sequence
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2021 ◽  
Vol 40 (1) ◽  
pp. 1037-1049
Author(s):  
Deyin Wu ◽  
Yonghong Li

In this paper, we research a class of axioms in closed G-V fuzzy matroids. The main research method is to transform fuzzy matroids into matroids. First, we study many properties of the basis family of induced matroids, and define a new mapping which can reflect the relationship between bases of induced matroids of a G-V fuzzy matroid. Second, we discuss the new mapping, and reveal the relationship and properties among the fundamental sequence, the induced basis family and the new mapping of a G-V fuzzy matroid. From these relationships and properties, we extract four key attributes: normativity property, inclusion property, exchange property, and right surjection. Finally, we propose and prove “the induced basis axioms for a closed G-V fuzzy matroid” by these key attributes. With the help of these axioms, a closed G-V fuzzy matroid can be uniquely determined by a finite number sequence, a subset family and a mapping on this subset family when they satisfy above four attributes, and vice versa.


2017 ◽  
Vol 117 ◽  
pp. 1093-1100 ◽  
Author(s):  
Mr. G. Muralikrishnan ◽  
N.K. Mohanty
Keyword(s):  

Author(s):  
Nikolaos D. Atreas

We prove characterizations of dual multiwavelet frames for [Formula: see text] constructed from a pair of [Formula: see text]-periodic multirefinable generators. Based on the notion of the Mixed Fundamental sequence we derive Mixed Extension Principles dictating the construction of dual wavelet masks with respect to given refinement masks and we show that these Principles characterize dual framelets.


2016 ◽  
Vol 4 (1) ◽  
Author(s):  
Boris G. Averbukh

AbstractThe concept of a unitary Cauchy net in an arbitrary Hausdorff topological monoid generalizes the concept of a fundamental sequence of reals. We construct extensions of this monoid where all its unitary Cauchy nets converge.


Structure ◽  
2015 ◽  
Vol 23 (5) ◽  
pp. 961-971 ◽  
Author(s):  
Fan Zheng ◽  
Jian Zhang ◽  
Gevorg Grigoryan

2013 ◽  
Vol 1 ◽  
pp. 46-59
Author(s):  
Boris G. Averbukh

AbstractFor Hausdorff topological monoids, the concept of a unitary Cauchy net is a generalization of the concept of a fundamental sequence of reals. We consider properties and applications of such nets and of corresponding filters and prove, in particular, that the underlying set of a given monoid, endowed with the family of such filters, forms a Cauchy space whose convergence structure defines a uniform topology. A commutative monoid endowed with the corresponding uniformity is uniform. A distant purpose of the paper is to transfer the classical concepts of a completeness and of a completion into the theory of topological monoids.


2013 ◽  
Vol 2013 ◽  
pp. 1-12 ◽  
Author(s):  
G. Chiaselotti ◽  
T. Gentile ◽  
G. Marino ◽  
P. A. Oliverio

We introduce the concept of fundamental sequence for a finite graded posetXwhich is also a discrete dynamical model. The concept of fundamental sequence is a refinement of the concept of parallel convergence time for these models. We compute the parallel convergence time and the fundamental sequence whenXis the finite lattice of all the signed integer partitions such that , where , and whenXis the sublattice of all the signed integer partitions of having exactlydnonzero parts.


2002 ◽  
Vol 30 (8) ◽  
pp. 449-457 ◽  
Author(s):  
J. O. Olaleru

The problem of countably quasi-barrelledness of weighted spaces of continuous functions, of which there are no results in the general setting of weighted spaces, is tackled in this paper. This leads to the study of quasi-barrelledness of weighted spaces in which, unlike that of Ernst and Schnettler (1986), though with a similar approach, we drop the assumption that the weighted space has a fundamental sequence of bounded sets. The study of countably quasi-barrelledness of weighted spaces naturally leads to definite results on the weighted (DF)-spaces for those weighted spaces with a fundamental sequence of bounded sets.


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