Results 61 to 70 of about 22,239 (162)

Anomalous diffusion, nonlinear fractional Fokker-Planck equation and solutions

open access: yes, 2002
We obtain new exact classes of solutions for the nonlinear fractional Fokker-Planck-like equation partial_t rho = partial_x{D(x) partial^{mu -1}_x rho^{nu} - F(x) rho} by considering a diffusion coefficient D = D|x|^{-theta} (theta in R and D>0) and a ...
Bologna   +40 more
core   +1 more source

Hyperbolic Kac-Moody Algebra from Intersecting p-branes [PDF]

open access: yes, 1999
A subclass of recently discovered class of solutions in multidimensional gravity with intersecting p-branes related to Lie algebras and governed by a set of harmonic functions is considered. This subclass in case of three Euclidean p-branes (one electric
Bronnikov K. A.   +9 more
core   +4 more sources

Chaos edges of $z$-logistic maps: Connection between the relaxation and sensitivity entropic indices

open access: yes, 2005
Chaos thresholds of the $z$-logistic maps $x_{t+1}=1-a|x_t|^z$ $(z>1; t=0,1,2,...)$ are numerically analysed at accumulation points of cycles 2, 3 and 5.
Constantino Tsallis   +7 more
core   +1 more source

Short Cycles in Repeated Exponentiation Modulo a Prime

open access: yes, 2009
Given a prime $p$, we consider the dynamical system generated by repeated exponentiations modulo $p$, that is, by the map $u \mapsto f_g(u)$, where $f_g(u) \equiv g^u \pmod p$ and $0 \le f_g(u) \le p-1$.
Glebsky, Lev, Shparlinski, Igor E.
core   +2 more sources

Two-parameter generalization of the logarithm and exponential functions and Boltzmann-Gibbs-Shannon entropy

open access: yes, 2007
The $q$-sum $x \oplus_q y \equiv x+y+(1-q) xy$ ($x \oplus_1 y=x+y$) and the $q$-product $x\otimes_q y \equiv [x^{1-q} +y^{1-q}-1]^{\frac{1}{1-q}}$ ($x\otimes_1 y=x y$) emerge naturally within nonextensive statistical mechanics. We show here how they lead
Constantino Tsallis   +3 more
core   +1 more source

Nuevas especies de Lepidoptera para la provincia de León (España) y confirmación de algunas especies con cita bibliográfica inconcreta (Insecta: Lepidoptera)

open access: yesSHILAP, 2015
Se presentan un total de 36 especies nuevas para la fauna de Lepidoptera de la provincia de León (España). Ocho son además nuevas para la región de Castilla y León.
D. C. Manceñido-González   +1 more
doaj  

Remarks on $(1-q)$ expansion and factorization approximation in the Tsallis nonextensive statistical mechanics

open access: yes, 2001
The validity of (1-q) expansion and factorization approximations are analysed in the framework of Tsallis statistics. We employ exact expressions for classical independent systems (harmonic oscillators) by considering the unnormalized and normalized ...
Abe   +64 more
core   +1 more source

CORRIGENDA

open access: yesRevista da Faculdade de Direito da Universidade Federal de Minas Gerais, 2014
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João Pinheiro da Silva   +2 more
doaj   +2 more sources

Reducing Youth Not in Employment, Education, or Training through JobStart Philippines [PDF]

open access: yes, 2018
Key Points One in four young Filipinos are not in employment, education, or training. One in two young women with high school education or less are not in employment, education, or training.
Asian Development Bank
core   +1 more source

Nonequilibrium Probabilistic Dynamics of the Logistic Map at the Edge of Chaos

open access: yes, 2002
We consider nonequilibrium probabilistic dynamics in logistic-like maps $x_{t+1}=1-a|x_t|^z$, $(z>1)$ at their chaos threshold: We first introduce many initial conditions within one among $W>>1$ intervals partitioning the phase space and focus on the ...
A. Upadhyaya   +18 more
core   +1 more source

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