Results 1 to 10 of about 101,743 (73)

Quantum information and statistical mechanics: an introduction to frontier [PDF]

open access: yes, 2013
This is a short review on an interdisciplinary field of quantum information science and statistical mechanics. We first give a pedagogical introduction to the stabilizer formalism, which is an efficient way to describe an important class of quantum ...
Fujii, Keisuke
core   +3 more sources

On Characterizing the Data Movement Complexity of Computational DAGs for Parallel Execution [PDF]

open access: yes, 2014
Technology trends are making the cost of data movement increasingly dominant, both in terms of energy and time, over the cost of performing arithmetic operations in computer systems. The fundamental ratio of aggregate data movement bandwidth to the total
Elango, Venmugil   +4 more
core   +8 more sources

Curved infinity-algebras and their characteristic classes

open access: yes, 2012
In this paper we study a natural extension of Kontsevich's characteristic class construction for A-infinity and L-infinity algebras to the case of curved algebras.
Lazarev, Andrey, Schedler, Travis
core   +1 more source

Conformal Field Theories, Graphs and Quantum Algebras [PDF]

open access: yes, 2001
This article reviews some recent progress in our understanding of the structure of Rational Conformal Field Theories, based on ideas that originate for a large part in the work of A. Ocneanu.
A. Ocneanu   +28 more
core   +6 more sources

Euclidean asymptotic expansions of Green functions of quantum fields (II) Combinatorics of the asymptotic operation

open access: yes, 1996
The results of part I (hep-ph/9612284) are used to obtain full asymptotic expansions of Feynman diagrams renormalized within the MS-scheme in the regimes when some of the masses and external momenta are large with respect to the others. The large momenta
Pivovarov, G. B., Tkachov, F. V.
core   +1 more source

Exact two-terminal reliability of some directed networks

open access: yes, 2007
The calculation of network reliability in a probabilistic context has long been an issue of practical and academic importance. Conventional approaches (determination of bounds, sums of disjoint products algorithms, Monte Carlo evaluations, studies of the
Tanguy, Christian
core   +3 more sources

Conflict Detection for Edits on Extended Feature Models using Symbolic Graph Transformation

open access: yes, 2016
Feature models are used to specify variability of user-configurable systems as appearing, e.g., in software product lines. Software product lines are supposed to be long-living and, therefore, have to continuously evolve over time to meet ever-changing ...
Deckwerth, Frederik   +4 more
core   +2 more sources

Matchgates and classical simulation of quantum circuits

open access: yes, 2008
Let G(A,B) denote the 2-qubit gate which acts as the 1-qubit SU(2) gates A and B in the even and odd parity subspaces respectively, of two qubits. Using a Clifford algebra formalism we show that arbitrary uniform families of circuits of these gates ...
Jozsa, Richard, Miyake, Akimasa
core   +3 more sources

All degree six local unitary invariants of k qudits

open access: yes, 2011
We give explicit index-free formulae for all the degree six (and also degree four and two) algebraically independent local unitary invariant polynomials for finite dimensional k-partite pure and mixed quantum states. We carry out this by the use of graph-
Acín A   +5 more
core   +1 more source

Inductive Construction of 2-Connected Graphs for Calculating the Virial Coefficients

open access: yes, 2010
In this paper we give a method for constructing systematically all simple 2-connected graphs with n vertices from the set of simple 2-connected graphs with n-1 vertices, by means of two operations: subdivision of an edge and addition of a vertex.
Androulaki E   +21 more
core   +1 more source

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