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ITP
2010
178views Mathematics» more  ITP 2010»
13 years 10 months ago
Developing the Algebraic Hierarchy with Type Classes in Coq
We present a new formalization of the algebraic hierarchy in Coq, exploiting its new type class mechanism to make practical a solution formerly thought infeasible. Our approach add...
Bas Spitters, Eelis van der Weegen
LICS
2009
IEEE
14 years 3 months ago
Wreath Products of Forest Algebras, with Applications to Tree Logics
—We use the recently developed theory of forest algebras to find algebraic characterizations of the languages of unranked trees and forests definable in various logics. These i...
Mikolaj Bojanczyk, Howard Straubing, Igor Walukiew...
TLDI
2009
ACM
100views Formal Methods» more  TLDI 2009»
14 years 5 months ago
Typed transformations of typed abstract syntax
Syntax Arthur Baars Doaitse Swierstra Technical Report UU-CS-2008-021 July 2008 Department of Information and Computing Sciences Utrecht University, Utrecht, The Netherlands www.cs...
Arthur I. Baars, S. Doaitse Swierstra, Marcos Vier...
ESA
2006
Springer
118views Algorithms» more  ESA 2006»
14 years 11 days ago
Subspace Sampling and Relative-Error Matrix Approximation: Column-Row-Based Methods
Much recent work in the theoretical computer science, linear algebra, and machine learning has considered matrix decompositions of the following form: given an m
Petros Drineas, Michael W. Mahoney, S. Muthukrishn...
TCS
2011
13 years 3 months ago
Communication complexity and intrinsic universality in cellular automata
Let F be a cellular automaton (CA). This paper establishes necessary conditions for F in order to be intrinsically universal. The central idea is to consider the communication com...
Eric Goles Chacc, Pierre-Etienne Meunier, Ivan Rap...