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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao zbMATH Openarrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
zbMATH Open
Article . 2014
Data sources: zbMATH Open
Journal of Convex Analysis
Article . 2014 . Peer-reviewed
Data sources: Crossref
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On Quasi-Gamma Functions

On quasi-gamma functions
Authors: Bermúdez, Teresa; Martinón, Antonio; Sadarangani, Kishin;

On Quasi-Gamma Functions

Abstract

We define the quasi-gamma functions as the functions f: ]0,\infty[ \longrightarrow ]0,\infty[ f : ] 0 , ∞ [ ⟶ ] 0 , ∞ [ such that f(1)=1 f ( 1 ) = 1 , f(x+1)=xf(x) f ( x + 1 ) = x f ( x ) for every x>0 x > 0 , and f f is quasi-convex. The main example of quasi-gamma function is the gamma function defined by Euler. We study some properties of the quasi-gamma functions and of the class {\emph Q} Q of these functions.

Keywords

gamma function, Convex functions and convex programs in convex geometry, Convex functions, Quasi-gamma function, Gamma function, 1202 Análisis y análisis funcional, Quasi-convex function, Gamma, beta and polygamma functions, Convexity of real functions in one variable, generalizations, quasi-gamma function, quasi-convex function, 120210 Funciones de variables reales

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citations
The total number of citations received by all articles of the researcher of interest.
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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