Results 11 to 20 of about 1,402,894 (317)

A Computational Complexity Theory in Membrane Computing [PDF]

open access: yesWorkshop on Membrane Computing, 2010
In this paper, a computational complexity theory within the framework of Membrane Computing is introduced. Polynomial complexity classes associated with di erent models of cell-like and tissue-like membrane systems are de ned and the most relevant ...
A. Alhazov   +31 more
core   +3 more sources

Computational Complexity of interacting electrons and fundamental limitations of Density Functional Theory [PDF]

open access: yes, 2009
One of the central problems in quantum mechanics is to determine the ground state properties of a system of electrons interacting via the Coulomb potential.
A Auerbach   +16 more
core   +5 more sources

Computational complexity of vacua and near-vacua in field and string theory [PDF]

open access: hybridPhysical Review D, 2019
We demonstrate that the problems of finding stable or metastable vacua in a low energy effective field theory requires solving nested NP-hard and co-NP-hard problems, while the problem of finding near-vacua is in P.
James Halverson, Fabian Ruehle
openalex   +3 more sources

On The Computational Complexity of Self-Attention [PDF]

open access: yesInternational Conference on Algorithmic Learning Theory, 2022
Transformer architectures have led to remarkable progress in many state-of-art applications. However, despite their successes, modern transformers rely on the self-attention mechanism, whose time- and space-complexity is quadratic in the length of the ...
Feyza Duman Keles   +2 more
semanticscholar   +1 more source

Computational Complexity in Algebraic Combinatorics [PDF]

open access: yesarXiv.org, 2023
Algebraic Combinatorics originated in Algebra and Representation Theory, studying their discrete objects and integral quantities via combinatorial methods which have since developed independent and self-contained lives and brought us some beautiful ...
G. Panova
semanticscholar   +1 more source

P Systems with Evolutional Communication and Division Rules

open access: yesAxioms, 2021
A widely studied field in the framework of membrane computing is computational complexity theory. While some types of P systems are only capable of efficiently solving problems from the class P, adding one or more syntactic or semantic ingredients to ...
David Orellana-Martín   +2 more
doaj   +1 more source

The future of computational complexity theory: part II [PDF]

open access: bronzeSIGA, 1996
Eric Allender   +4 more
openalex   +2 more sources

Computational Creativity and Aesthetics with Algorithmic Information Theory

open access: yesEntropy, 2021
We build an analysis based on the Algorithmic Information Theory of computational creativity and extend it to revisit computational aesthetics, thereby, improving on the existing efforts of its formulation.
Tiasa Mondol, Daniel G. Brown
doaj   +1 more source

Proof of the Theory-to-Practice Gap in Deep Learning via Sampling Complexity bounds for Neural Network Approximation Spaces [PDF]

open access: yesFoundations of Computational Mathematics, 2021
We study the computational complexity of (deterministic or randomized) algorithms based on point samples for approximating or integrating functions that can be well approximated by neural networks.
P. Grohs, F. Voigtlaender
semanticscholar   +1 more source

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