Results 161 to 170 of about 5,030,646 (292)

Non-convergence of some non-commuting double ergodic averages [PDF]

Tim Austin
openalex   +3 more sources

Convergence of polynomial ergodic averages of several variables for some commuting transformations [PDF]

, 2009
Michael C. R. Johnson
openalex   +1 more source

On the achievable rates of multiple antenna broadcast channels with feedback-link capacity constraint

EURASIP Journal on Wireless Communications and Networking, 2011
In this paper, we study a MIMO fading broadcast channel where each receiver has perfect channel state information while the channel state information at the transmitter is acquired by explicit channel feedback from each receiver through capacity ...
Chen Xiang, Miao Wei, Li Yunzhou, Zhou Shidong, Wang Jing   +4 more
doaj  

Inequivalence of time and ensemble averages in ergodic systems: Exponential versus power-law relaxation in confinement [PDF]

, 2012
Jae‐Hyung Jeon, Ralf Metzler
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Problems and Results related to Waring's problem: Maximal functions and ergodic averages [PDF]

, 2013
Kevin Hughes
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Ergodic averages along cubes

, 2019
We study the convergence of the ergodic averages of the integral of the product of 2^k functions and the L^2-convergence of the ergodic averages of the product of 2^k -1 functions, for k = 2, 3. These averages are taken along cubes whose sizes tend to infinity. For each average we show that it is sufficient to prove the convergence for special systems,
openaire   +1 more source

The Unreasonable Effectiveness of the nΣv Approximation

The Astrophysical Journal
In kinetic theory, the classic n Σ v approach calculates the rate of particle interactions from local quantities: the number density of particles n , the cross section Σ, and the average relative speed v .
Elisha Modelevsky, Nicholas C. Stone, Re’em Sari   +2 more
doaj   +1 more source

Ergodic averages of commuting transformations with distinct degree polynomial iterates [PDF]

, 2010
Qing Chu, Nikos Frantzikinakis, Bernard Host   +2 more
openalex   +1 more source

Multiple ergodic averages for variable polynomials [PDF]

, 2021
Andreas Koutsogiannis
openalex   +1 more source

Perturbation of Sparse Ergodic Averages

, 2012
We provide examples of a nested sequences of sets {S_n}, suitably sparse, residing in a group G, for which multidimensional averages fail converge pointwise for f in certain L^p spaces, but do converge in others, for any free group action T. Our construction involves the method of perturbation pioneered by A.
openaire   +2 more sources