125 citations
- Institute for Research in Fundamental SciencesIR15 papers
- Sharif University of TechnologyIR6 papers
- Alzahra UniversityIR5 papers
- Institute for Cognitive Science StudiesIR4 papers
- University of QomIR4 papers
- Centre National de la Recherche ScientifiqueFR3 papers
- Islamic Azad University of ChalousIR3 papers
- University of TehranIR3 papers
- Azarbaijan Shahid Madani UniversityIR2 papers
- Hebrew University of JerusalemIL2 papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT2 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di BariIT2 papers
Showing 2008 · math.COShow all
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math.CO2008
Graph Powers and Graph Homomorphisms
Hossein Hajiabolhassan, Ali Taherkhani
In this paper we investigate some basic properties of fractional powers. In this regard, we show that for any rational number , $G^{2r+1\over 2s+1}\l…
math.CO2008
A Note on Chromatic Sum
Meysam Alishahi, Ali Taherkhani
The chromatic sum of a graph is the smallest sum of colors among of proper coloring with the natural number. In this paper, we introduce a necessary condition for the ex…