Ratio Mathematica – n. 23 / 2012

[:it]
Number 23 – 2012   |   Copyright   |   Information to Authors (template Tex)   |   Contents
 
Singoli articoli

General ω-hyperstructures and certain applications of those
J. Chvalina, S. Hoskova-Mayerova 

(Intuitionistic) Fuzzy Grade of a Hypergroupoid:A Survey of Some Recent Researches
I. Cristea   
 
Hv-semigroups as noise pollutionmodels in urban areas 
A. Dramalidis, T.Vougiouklis 
 
Directed graphs representing isomorphism classes of  C-Hypergroupoids
A. Kalampakas, S. Spartalis, K. Skoulariki
 
EL-hyperstructures: an overview
M. Novák 
 
Closed, Reflexive, Invertible, and Normal Subhypergroups of Special Hypergroups
P. Račková
 

 

[:en]
Number 23 – 2012   |   Copyright   |   Information to Authors (template Tex)   |   Contents
 
Articles

General ω-hyperstructures and certain applications of those
J. Chvalina, S. Hoskova-Mayerova 

(Intuitionistic) Fuzzy Grade of a Hypergroupoid:A Survey of Some Recent Researches
I. Cristea   
 
Hv-semigroups as noise pollutionmodels in urban areas 
A. Dramalidis, T.Vougiouklis 
 
Directed graphs representing isomorphism classes of  C-Hypergroupoids
A. Kalampakas, S. Spartalis, K. Skoulariki
 
EL-hyperstructures: an overview
M. Novák 
 
Closed, Reflexive, Invertible, and Normal Subhypergroups of Special Hypergroups
P. Račková
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