Results 81 to 90 of about 3,383,288 (169)

Real and quaternionic second-order free cumulants and connections to matrix cumulants

open access: yes, 2018
We present definitions for real and quaternionic second-order free cumulants, functions whose collective vanshing when applied to elements from different subalgebras is equivalent to the second-order real (resp.\ quaternionic) freeness of those subalgebras.
openaire   +2 more sources

Full Eigenstate Thermalization via Free Cumulants in Quantum Lattice Systems

open access: yesPhysical Review Letters
The Eigenstate-Thermalization-Hypothesis (ETH) has been established as the general framework to understand quantum statistical mechanics. Only recently has the attention been paid to so-called full ETH, which accounts for higher-order correlations among matrix elements, and that can be rationalized theoretically using the language of Free Probability ...
Silvia Pappalardi   +2 more
openaire   +6 more sources

Structured random matrices and cyclic cumulants: A free probability approach

open access: yesRandom Matrices: Theory and Applications
In this paper, we introduce a new class of large structured random matrices characterized by four fundamental properties which we discuss. We prove that this class is stable under matrix-valued and pointwise nonlinear operations. We then formulate an efficient method, based on an extremization problem, for computing the spectrum of subblocks of such ...
Bernard, Denis, Hruza, Ludwig
openaire   +4 more sources

Data for "Microcanonical Free Cumulants in lattice systems"

open access: yes
We provide the data for "Microcanonical Free Cumulants in lattice systems" by F. Fritzsch, T. Prosen and S. Pappalardi  Recently, the full version of the Eigenstate Thermalization Hypothesis (ETH) has been systematized using Free Probability. In this paper, we present a detailed discussion of the Free Cumulants approach to many-body dynamics within ...
Fritzsch, Felix   +2 more
openaire   +2 more sources

Large Deviations in Switching Diffusion: From Free Cumulants to Dynamical Transitions

open access: yesPhysical Review Letters
Letter: 7+2 pages and 3 figures; Supp.
Mathis Guéneau   +2 more
openaire   +5 more sources

From higher order free cumulants to non-separable hypermaps

open access: yes, 2022
Higher order free moments and cumulants, introduced by Collins, Mingo, \'Sniady and Speicher in 2006, describe the fluctuations of unitarily invariant random matrices in the limit of infinite size.
Lionni, Luca
core  

Free nested cumulants and an analogue of a formula of Brillinger

open access: yes, 2013
arXiv admin note: text overlap with arXiv:math ...
openaire   +2 more sources

Fuss-free cumulative universes: theory and practice

open access: yes
Universes are central to dependent type theory, and they are notoriously difficult to handle in a way that is both correct and usable. We propose a new "fuss-free" generalised algebraic presentation for polymorphic cumulative universes that dispenses with the intricate theory of coherent universe coercions in favour of a simpler formulation, which we ...
Sterbac, Raphaël, Sterling, Jonathan
openaire   +2 more sources

On Free Moments and Free Cumulants [Elektronisk resurs]

open access: yes, 2014
The concepts of free cumulants and free moments are indispensably related to the idea of freeness introduced by Voiculescu [Voiculescu, D., Proc. Conf., Buşteni/Rom., Lect. Notes Math. 1132(1985), pp.
Singull, Martin,   +2 more
core  

Free cumulants of some probability measures [PDF]

open access: yesBanach Center Publications, 2007
Melanie Hinz, Wojciech Młotkowski
openaire   +1 more source

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