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Graph Powers and Graph Homomorphisms
In this paper, we investigate some basic properties of fractional powers. In this regard, we show that for any non-bipartite graph $G$ and positive rational numbers ${2r+1\over 2s+1}Expand
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  • Open Access
Rainbow Paths with Prescribed Ends
tl;dr
We prove that, if $G$ is a connected graph distinct from $C_7$, then there is a $\chi(G)$-coloring of $G$, in which every vertex $v\in V( G)$ is an initial vertex of a path $P$ whose colors are different. Expand
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  • Open Access
Luminescence and Structural Properties of ZnS:Cu Nanocrystals Prepared Using a Wet Chemical Technique
Cu doped Zinc sulfide (ZnS:Cu) nanoparticles were prepared with a wet chemical synthesis by mixing the reactants in a double distilled water solvent. Mercaptopropionic acid was used as a cappingExpand
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A generalization of the Erdös-Ko-Rado theorem
tl;dr
In this note, we investigate some properties of local Kneser graphs defined in [Janos Korner, Concetta Pilotto, Gabor Simonyi, Local chromatic number and sperner capacity]. Expand
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  • Open Access
Extremal G-free induced subgraphs of Kneser graphs
tl;dr
The Kneser graph $\KG_{n,k}$ is a graph whose vertex set is the family of all $k$-subsets of $[n]$ and two vertices are adjacent if their corresponding subsets are disjoint. Expand
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  • Open Access
Object Speed Estimation in Frequency Domain of Single Taken Image
tl;dr
In this paper we propose a novel approach for speed estimation of Spherical Object in frequency domain. Expand
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A Note on Chromatic Sum
tl;dr
The chromatic sum $\Sigma(G)$ of a graph $G$ is the smallest sum of colors among of proper coloring with natural number. Expand
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  • Open Access
ZnO nanoparticle-modified ionic liquid-carbon paste electrodefor voltammetric determination of folic acid in food and pharmaceutical samples
In this work, a ZnO/nanoparticles (NPs) modified carbon ionic liquid paste electrode (ZnO/NP/CILPE) was fabricated and used to investigate the electrochemical behavior of folic acid. ZnO/NP/CILPE wasExpand
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Simultaneous determination of cysteamine and folic acid in pharmaceutical and biological samples using modified multiwall carbon nanotube paste electrode
Abstract A carbon paste electrode (CPE) chemically modified with multiwall carbon nanotubes and ferrocene (FC) was used as a selective electrochemical sensor for the simultaneous determination ofExpand
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Voltammetric Determination of Homocysteine Using Multiwall Carbon Nanotube Paste Electrode in the Presence of Chlorpromazine as a Mediator
We propose chlorpromazine (CHP) as a new mediator for the rapid, sensitive, and highly selective voltammetric determination of homocysteine (Hcy) using multiwall carbon nanotube paste electrodeExpand
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  • Open Access