Results 1 to 10 of about 108,474 (123)

Small ball probabilities for linear images of high dimensional distributions [PDF]

open access: yesInternational Mathematics Research Notices, 2014
We study concentration properties of random vectors of the form $AX$, where $X = (X_1, ..., X_n)$ has independent coordinates and $A$ is a given matrix. We show that the distribution of $AX$ is well spread in space whenever the distributions of $X_i$ are
Rudelson, Mark, Vershynin, Roman
core   +6 more sources

Asymptotics of Karhunen–Loève Eigenvalues for Sub-Fractional Brownian Motion and Its Application

open access: yesFractal and Fractional, 2021
In the present paper, the Karhunen–Loève eigenvalues for a sub-fractional Brownian motion are considered. Rigorous large n asymptotics for those eigenvalues are shown, based on the functional analysis method.
Chun-Hao Cai, Jun-Qi Hu, Ying-Li Wang
doaj   +1 more source

Quantitative invertibility of random matrices: a combinatorial perspective

open access: yesDiscrete Analysis, 2021
Quantitative invertibility of random matrices: a combinatorial perspective, Discrete Analysis 2021:10, 38 pp. This paper concerns the general and much studied question of how likely a large random real or complex square matrix is to be invertible, and ...
Vishesh Jain
doaj   +1 more source

Phase Retrieval Without Small-Ball Probability Assumptions [PDF]

open access: yesIEEE Transactions on Information Theory, 2018
15 pages; v3: to appear in IEEE Trans. Info. Theory; v2: minor revisions and clarifications; presented in part at the 2015 SampTA Conference, see http://doi.org/10.1109/SAMPTA.2015.7148923 and http://doi.org/10.1109/SAMPTA.2015 ...
Felix Krahmer, Yi-Kai Liu
openaire   +3 more sources

Small ball probabilities for stable convolutions [PDF]

open access: yesESAIM: Probability and Statistics, 2007
Summary: We investigate the small deviations under various norms for stable processes defined by the convolution of a smooth function \(f : \; ]0, +\infty[ \;\to \mathbb{R} \) with a real \(S\alpha S\) Lévy process. We show that the small ball exponent is uniquely determined by the norm and by the behaviour of \(f\) at zero, which extends the results ...
Aurzada, Frank, Simon, Thomas
openaire   +2 more sources

Small Ball Probability, Inverse Theorems, and Applications [PDF]

open access: yes, 2013
Let $ $ be a real random variable with mean zero and variance one and $A={a_1,...,a_n}$ be a multi-set in $\R^d$. The random sum $$S_A := a_1 _1 + ... + a_n _n $$ where $ _i$ are iid copies of $ $ is of fundamental importance in probability and its applications.
Nguyen, Hoi H., Vu, Van H.
openaire   +2 more sources

Small ball probability and Dvoretzky’s Theorem

open access: yesIsrael Journal of Mathematics, 2007
Large deviation estimates are by now a standard tool inthe Asymptotic Convex Geometry, contrary to small deviationresults. In this note we present a novel application of a smalldeviations inequality to a problem related to the diameters of random sections of high dimensional convex bodies.
Klartag, Bo'az, Vershynin, Roman
openaire   +4 more sources

Small ball probability estimates in terms of width [PDF]

open access: yesStudia Mathematica, 2005
10 ...
Latała, Rafał, Oleszkiewicz, Krzysztof
openaire   +3 more sources

Hitting spheres on hyperbolic spaces [PDF]

open access: yes, 2011
For a hyperbolic Brownian motion on the Poincar\'e half-plane $\mathbb{H}^2$, starting from a point of hyperbolic coordinates $z=(\eta, \alpha)$ inside a hyperbolic disc $U$ of radius $\bar{\eta}$, we obtain the probability of hitting the boundary ...
E. Orsingher   +3 more
core   +2 more sources

Low Diameter Graph Decompositions by Approximate Distance Computation [PDF]

open access: yes, 2019
In many models for large-scale computation, decomposition of the problem is key to efficient algorithms. For distance-related graph problems, it is often crucial that such a decomposition results in clusters of small diameter, while the probability that ...
Becker, Ruben   +2 more
core   +2 more sources

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