Results 51 to 60 of about 756 (159)

Quenched Invariance Principle for the Random Walk on the Penrose Tiling [PDF]

open access: yes, 2014
We consider the simple random walk on the graph corresponding to a Penrose tiling. We prove that the path distribution of the walk converges weakly to that of a non-degenerate Brownian motion for almost every Penrose tiling with respect to the ...
Bartha, Zs., Telcs, A.
core  

Ergodicity of group actions and spectral gap, applications to random walks and Markov shifts [PDF]

open access: yes, 2013
International audienceLet $(X, \cal B, \nu)$ be a probability space and let $\Gamma$ be a countable group of $\nu$-preserving invertible maps of $X$ into itself.
Conze, Jean-Pierre, Guivarc'H, Yves
core   +3 more sources

“Intelligence Running Wild”: Edward Podvoll (1936–2003) and the Unfolding of the “Contemplative Psychotherapy” Project

open access: yesJournal of the History of the Behavioral Sciences, Volume 61, Issue 4, Fall 2025.
ABSTRACT This paper explores the origins and development of the “contemplative psychotherapy” project in the United States, emerging around psychoanalyst Edward Podvoll and the intellectual environment at Naropa University during the 1970s and 1980s.
Tommaso Priviero
wiley   +1 more source

Superdiffusion in the periodic Lorentz gas [PDF]

open access: yes, 2015
We prove a superdiffusive central limit theorem for the displacement of a test particle in the periodic Lorentz gas in the limit of large times $t$ and low scatterer densities (Boltzmann-Grad limit). The normalization factor is $\sqrt{t\log t}$, where $t$
Marklof, Jens, Toth, Balint A
core   +4 more sources

On the degree of approximation by modified Szasz operator

open access: yesJournal of Numerical Analysis and Approximation Theory, 1988
Not available.
S. M. Mazhar
doaj   +2 more sources

Dunkl generalization of Phillips operators and approximation in weighted spaces

open access: yesAdvances in Difference Equations, 2020
The purpose of this article is to introduce a modification of Phillips operators on the interval [ 1 2 , ∞ ) $[ \frac{1}{2},\infty ) $ via a Dunkl generalization. We further define the Stancu type generalization of these operators as S n , υ ∗ ( f ; x ) =
M. Mursaleen   +3 more
doaj   +1 more source

Ground zero soil sampling: Trinity, 1945

open access: yesGeology Today, Volume 41, Issue 4, Page 137-146, July/August 2025.
At Trinity—the world's first nuclear weapons testing site—large quantities of soil were drawn into the fireball to redeposit either downwind as radioactive fallout or in the near‐field as a unique, anthropogenic silicate glass trinitite. Manhattan Project physicists and chemists came to see soils at the Trinity site as a useful medium to assess the ...
Edward R. Landa
wiley   +1 more source

Intermittent quasistatic dynamical systems: weak convergence of fluctuations [PDF]

open access: yes, 2018
This paper is about statistical properties of quasistatic dynamical systems. These are a class of non-stationary systems that model situations where the dynamics change very slowly over time due to external influences. We focus on the case where the time-
Leppänen, Juho
core   +3 more sources

‘You fine an industry, then return the funding to them’: State‐facilitated corporate crime and Colorado's Suncor Oil Refinery

open access: yesSociological Forum, Volume 40, Issue 2, Page 166-181, June 2025.
Abstract In Commerce City, Colorado, residents contend with multiple environmental hazards and live in the most polluted zip code in the US. Perhaps no source of environmental harm is more visible than the imposing, aging Suncor Oil Refinery. The refinery dominates entire city blocks and residents' daily lives.
Stephanie A. Malin   +4 more
wiley   +1 more source

What About Eco‐Populism? A Neglected Historical Tradition

open access: yes
Constellations, Volume 33, Issue 1, Page 62-71, March 2026.
Federico Tarragoni
wiley   +1 more source

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