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Front Page Publications de l'Institut MathématiquePublisher: Matematički institut SANU, BeogradISSN: 0350-1302Issue: (N.S.) 101 (115)Date: 2017Journal Homepage
 

The Classification of Product Shaped Hypersurfaces in Lorentz Space Forms 223 - 230
Dan Yang, Le Hao and Bingren Chen  
AbstractKeywords: product shaped hypersurface; isoparametric hypersurface; Lorentz space formMSC: 53C42DOI: https://doi.org/10.2298/PIM1715223Y
Pell Numbers Whose Euler Function Is a Pell Number 231 - 245
Bernadette Faye and Florian Luca  
AbstractKeywords: Pell numbers; Euler functionMSC: 11B39DOI: https://doi.org/10.2298/PIM1715231F
Approximation by Generalized Srivastava--Gupta Operators Based on Certain Parameter 247 - 259
D. K. Verma  
AbstractKeywords: Phillips operators; modulus of continuity; pointwise convergence; Voronovskaja type asymptotic formulaMSC: 41A30; 41A35DOI: https://doi.org/10.2298/PIM1715247V
Comparison of Iterates of a Class of Differential Operators in Roumieu Spaces 261 - 266
Rachid Chaili and Tayeb Mahrouz  
AbstractKeywords: iterates of operators; Roumieu spaces; comparison of operatorsMSC: 35B65; 35H10DOI: https://doi.org/10.2298/PIM1715261C
A New Approach to Filters in Triangle Algebras 267 - 283
Saeide Zahiri, Arsham Borumand Saeid and Esfandiar Eslami  
AbstractKeywords: residuated lattices; interval-valued structures; triangle algebras; IVRL-filtersMSC: 03G10;08A72;03G25;03B52;03C05DOI: https://doi.org/10.2298/PIM1715267Z
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