Results 31 to 40 of about 329,808 (302)

Feasible Combinatorial Matrix Theory [PDF]

open access: yes, 2013
We show that the well-known Konig's Min-Max Theorem (KMM), a fundamental result in combinatorial matrix theory, can be proven in the first order theory $\LA$ with induction restricted to $Σ_1^B$ formulas. This is an improvement over the standard textbook proof of KMM which requires $Π_2^B$ induction, and hence does not yield feasible proofs --- while ...
Ariel Germán Fernández, Michael Soltys
openaire   +2 more sources

Gauge Theory and Supergravity Duality in the PP-Wave Background [PDF]

open access: yes, 2005
We test the matrix theory conjecture in the pp-wave by studying two-body interactions between gravitons and membranes. We compute the one-loop effective potential of matrix theory and compare it to the light cone Lagrangian of linearized supergravity. We
Lee, Hok Kong
core   +1 more source

The Matrix Theory S-Matrix

open access: yes, 1998
10 pages, RevTeX, no ...
Plefka J, Serone, Marco, Waldron A.
openaire   +3 more sources

Random matrix theory of the isospectral twirling

open access: yesSciPost Physics, 2021
We present a systematic construction of probes into the dynamics of isospectral ensembles of Hamiltonians by the notion of Isospectral twirling, expanding the scopes and methods of ref.[1].
Salvatore F. E. Oliviero, Lorenzo Leone, Francesco Caravelli, Alioscia Hamma
doaj   +1 more source

Matrix theory for minimal trellises [PDF]

open access: yesDesigns, Codes and Cryptography, 2019
Trellises provide a graphical representation for the row space of a matrix. The product construction of Kschischang and Sorokine builds minimal conventional trellises from matrices in minimal span form. Koetter and Vardy showed that minimal tail-biting trellises can be obtained by applying the product construction to submatrices of a characteristic ...
openaire   +3 more sources

Riemann Zeros and Random Matrix Theory [PDF]

open access: yes, 2010
In the past dozen years random matrix theory has become a useful tool for conjecturing answers to old and important questions in number theory. It was through the Riemann zeta function that the connection with random matrix theory was first made in the ...
Snaith, Nina C
core   +1 more source

Positive Solutions for a System of Fractional Integral Boundary Value Problems of Riemann–Liouville Type Involving Semipositone Nonlinearities

open access: yesMathematics, 2019
In this work by the index of fixed point and matrix theory, we discuss the positive solutions for the system of Riemann−Liouville type fractional boundary value problems D 0 + α u ( t ) + f 1 ( t , u ( t ) , v ( t ) , w ( t )
Youzheng Ding, Jiafa Xu, Zhengqing Fu
doaj   +1 more source

New Results on Negative-Indexed Pell Numbers via Matrix Methods

open access: yesCumhuriyet Science Journal
In this study, we investigate the Pell and Pell–Lucas numbers sequences and construct matrices whose elements are defined using negative indices of these sequences through Binet’s formula. Identities involving negative-indexed Pell and Pell–Lucas numbers
İbrahim Gökcan   +2 more
doaj   +1 more source

Random matrix theory, numerical computation and applications

open access: yes, 2018
This paper serves to prove the thesis that a computational trick can open entirely new approaches to theory. We illustrate this by describ- ing such random matrix techniques as the stochastic operator approach, the method of ghosts and shadows, and the ...
Sutton, Brian David   +2 more
core   +1 more source

Superstatistics in Random Matrix Theory

open access: yesSultan Qaboos University Journal for Science, 2012
Random matrix theory (RMT) provides a successful model for quantum systems, whose classical counterpart has chaotic dynamics. It is based on two assumptions: (1) matrix-element independence, and (2) base invariance.
A.Y. Abul-Magd
doaj   +1 more source

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