Results 11 to 20 of about 360 (29)

A quantum probabilistic approach to Hecke algebras for $\mathfrak{p}$-adic ${\rm PGL}_2$

open access: yes, 2018
The subject of the present paper is an application of quantum probability to $p$-adic objects. We give a quantum-probabilistic interpretation of the spherical Hecke algebra for ${\rm PGL}_2(F)$, where $F$ is a $p$-adic field.
Hasegawa, Takehiro   +3 more
core   +1 more source

Quantum stochastic integrals as operators [PDF]

open access: yes, 2010
We construct quantum stochastic integrals for the integrator being a martingale in a von Neumann algebra, and the integrand -- a suitable process with values in the same algebra, as densely defined operators affiliated with the algebra.
Andrzej Ɓuczak   +10 more
core   +1 more source

Convergence of joint moments for independent random patterned matrices [PDF]

open access: yes, 2011
It is known that the joint limit distribution of independent Wigner matrices satisfies a very special asymptotic independence, called freeness. We study the joint convergence of a few other patterned matrices, providing a framework to accommodate other ...
Bose, Arup   +2 more
core   +1 more source

On the computation of classical, boolean and free cumulants

open access: yes, 2008
This paper introduces a simple and computationally efficient algorithm for conversion formulae between moments and cumulants. The algorithm provides just one formula for classical, boolean and free cumulants.
Di Nardo, E., Oliva, I.
core   +2 more sources

Cones in homotopy probability theory [PDF]

open access: yes, 2014
This note defines cones in homotopy probability theory and demonstrates that a cone over a space is a reasonable replacement for the space. The homotopy Gaussian distribution in one variable is revisited as a cone on the ordinary Gaussian.Comment: 8 ...
Drummond-Cole, Gabriel C., Terilla, John
core  

Characterizations of some free random variables by properties of conditional moments of third degree polynomials

open access: yes, 2012
We investigate Laha-Lukacs properties of noncommutative random variables (processes). We prove that some families of free Meixner distributions can be characterized by the conditional moments of polynomial functions of degree 3.
Ejsmont, Wiktor
core   +1 more source

Cumulants in noncommutative probability II. Generalized Gaussian random variables

open access: yes, 2003
We continue the investigation of noncommutative cumulants. In this paper various characterizations of noncommutative Gaussian random variables are proved.Comment: 14 pages, AMS-LaTeX; many corrections according to the referee; to appear in Prob Th ...
Lehner, Franz
core   +1 more source

Noncommutative Blackwell-Ross martingale inequality

open access: yes, 2017
We establish a noncommutative Blackwell--Ross inequality for supermartingales under a suitable condition which generalize Khan's works to the noncommutative setting.
Moslehian, Mohammad Sal   +2 more
core   +1 more source

Local approximation of observables and commutator bounds

open access: yes, 2011
We discuss conditional expectations that can be used as generalizations of the partial trace for quantum systems with an infinite-dimensional Hilbert space of ...
Janas, Jan   +3 more
core   +1 more source

On Quantum Markov Chains on Cayley tree I: uniqueness of the associated chain with XY-model on the Cayley tree of order two

open access: yes, 2010
In the present paper we study forward Quantum Markov Chains (QMC) defined on Cayley tree. A construction of such QMC is provided, namely we construct states on finite volumes with boundary conditions, and define QMC as a weak limit of those states which ...
Accardi, Luigi   +2 more
core   +1 more source

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