Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Dudek, W. A."'
Autor:
Monzo, R. A. R., Dudek, W. A.
Any pentagonal quasigroup is proved to have the product xy = R(x)+y-R(y) where (Q,+) is an Abelian group, R is its regular automorphism satisfying R^4-R^3+R^2-R+1 = 0 and 1 is the identity mapping. All abelian groups of order n<100 inducing pentagona
Externí odkaz:
http://arxiv.org/abs/1907.06635
Autor:
Dudek, W. A., Monzo, R. A. R.
We describe types of double magma associated with Ward quasigroups, double Ward quasigroups, their duals and the groups they generate. Ward quasigroup double magma and unipotent, right modular, left unital double magma are proved to be improper. Nece
Externí odkaz:
http://arxiv.org/abs/1905.05763
Publikováno v:
Italian J. Pure and Appl. Math. 31 (2013), 141-160
In this article, we apply the concept of bipolar fuzzy sets to hypergraphs and investigate some properties of bipolar fuzzy hypergraphs. We introduce the notion of $A-$ tempered bipolar fuzzy hypergraphs and present some of their properties. We also
Externí odkaz:
http://arxiv.org/abs/1305.5899
Autor:
Zhan, J., Dudek, W. A.
Publikováno v:
Sci. Bull., Series A, Appl. Math. Phys. Politeh. Univ. Bucharest 74 (2012), 41-56
In this paper, we deal with soft MTL-algebras based on fuzzy sets. By means of $\in$-soft sets and q-soft sets, some characterizations of (Boolean, G- and MV-) filteristic soft MTL-algebras are investigated. Finally, we prove that a soft set is a Boo
Externí odkaz:
http://arxiv.org/abs/1003.4595
Publikováno v:
Computers Math. Applications 59 (2010), 3167-3179
In this paper we characterize hemirings in which all $h$-ideals or all fuzzy $h$-ideals are idempotent. It is proved, among other results, that every $h$-ideal of a hemiring $R$ is idempotent if and only if the lattice of fuzzy $h$-ideals of $R$ is d
Externí odkaz:
http://arxiv.org/abs/1003.4534
Autor:
Dudek, W. A., Trokhimenko, V. S.
We consider semigroups of transformations (partial mappings defined on a set $A$) closed under the set-theoretic intersection of mappings treated as subsets of $A\times A$. On such semigroups we define two relations: the relation of semicompatibility
Externí odkaz:
http://arxiv.org/abs/1003.4537
Publikováno v:
Soft Computing 13 (2009), 13-21
We introduce the concept of quasi-coincidence of a fuzzy interval value with an interval valued fuzzy set. By using this new idea, we introduce the notions of interval valued $(\in,\ivq)$-fuzzy filters of pseudo $BL$-algebras and investigate some of
Externí odkaz:
http://arxiv.org/abs/0803.2338
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Autor:
Dudek, W.1 wieslaw.dudek@pwr.edu.pl, Trokhimenko, V.2 vtrokhim@gmail.com
Publikováno v:
Semigroup Forum. Feb2015, Vol. 90 Issue 1, p113-125. 13p.
Publikováno v:
Acta Mathematica Sinica. Jul2006, Vol. 22 Issue 4, p963-970. 8p.