Results 41 to 50 of about 1,069,691 (320)

A Note On 3D N=2 Dualities: Real Mass Flow And Partition Function [PDF]

open access: yes, 2013
We study two well-known classes of dualities in three dimensional N=2 supersymmetric field theories. In the first class there are non trivial interactions involving monopole operators while in the second class the dual gauge theories have Chern-Simons ...
Amariti, A.
core   +2 more sources

FDD Downlink Channel Estimation Solution With Common Sparsity Learning Algorithm and Zero-Partition Enhanced GAMP Algorithm

open access: yesIEEE Access, 2018
To acquire precise channel state information in the forthcoming 5G frequency division duplexing (FDD) communication system, we study the virtual angular domain channel common sparsity in the massive multiple-input multiple-output orthogonal frequency ...
Wenyuan Wang   +3 more
doaj   +1 more source

Downlink Non-Orthogonal Multiple Access Without SIC for Block Fading Channels: An Algebraic Rotation Approach [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2019
In this paper, we investigate the problem of downlink non-orthogonal multiple access (NOMA) over block fading channels. For the single antenna case, we propose a class of NOMA schemes where all the users’ signals are mapped into $n$ -dimensional ...
Min Qiu, Yu-Chih Huang, Jinhong Yuan
semanticscholar   +1 more source

Mirror theories of 3d N $$ \mathcal{N} $$ = 2 SQCD

open access: yesJournal of High Energy Physics, 2018
Using a recently proposed duality for U(N ) supersymmetric QCD (SQCD) in three dimensions with monopole superpotential, in this paper we derive the mirror dual description of N $$ \mathcal{N} $$ = 2 SQCD with unitary gauge group, generalizing the known ...
Simone Giacomelli, Noppadol Mekareeya
doaj   +1 more source

Asymptotics of the partition function for random matrices via Riemann-Hilbert techniques, and applications to graphical enumeration [PDF]

open access: yes, 2002
We study the partition function from random matrix theory using a well known connection to orthogonal polynomials, and a recently developed Riemann-Hilbert approach to the computation of detailed asymptotics for these orthogonal polynomials.
Ercolani, N. M., McLaughlin, K. D. T-R
core   +4 more sources

Discrete modified projection methods for Urysohn integral equations with Green’s function type kernels

open access: yesMathematical Modelling and Analysis, 2020
In the present paper we consider discrete versions of the modified projection methods for solving a Urysohn integral equation with a kernel of the type of Green’s function.
Rekha P. Kulkarni, Gobinda Rakshit
doaj   +1 more source

Lower entropy bounds and particle number fluctuations in a Fermi sea [PDF]

open access: yes, 2006
In this letter we demonstrate, in an elementary manner, that given a partition of the single particle Hilbert space into orthogonal subspaces, a Fermi sea may be factored into pairs of entangled modes, similar to a BCS state.
Klich, Israel
core   +1 more source

New 3d N $$ \mathcal{N} $$ = 2 dualities from quadratic monopoles

open access: yesJournal of High Energy Physics, 2018
Aspects of three dimensional N $$ \mathcal{N} $$ = 2 gauge theories with monopole super-potentials and their dualities are investigated. The moduli spaces of a number of such theories are studied using Hilbert series.
Antonio Amariti   +2 more
doaj   +1 more source

Matroidal Entropy Functions: A Quartet of Theories of Information, Matroid, Design, and Coding

open access: yesEntropy, 2021
In this paper, we study the entropy functions on extreme rays of the polymatroidal region which contain a matroid, i.e., matroidal entropy functions. We introduce variable strength orthogonal arrays indexed by a connected matroid M and positive integer v
Qi Chen, Minquan Cheng, Baoming Bai
doaj   +1 more source

The role of orthogonal polynomials in the six-vertex model and its combinatorial applications

open access: yes, 2006
The Hankel determinant representations for the partition function and boundary correlation functions of the six-vertex model with domain wall boundary conditions are investigated by the methods of orthogonal polynomial theory.
A G Pronko   +24 more
core   +2 more sources

Home - About - Disclaimer - Privacy