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X-machine

Known as: Eilenberg, CXM, X-machines 
The X-machine (XM) is a theoretical model of computation introduced by Samuel Eilenberg in 1974.The X in "X-machine" represents the fundamental data… Expand
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Papers overview

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Review
2010
Review
2010
Introduction. The main purpose of this paper is to draw attention to certain functors, exactly analogous to the functors "Tor… Expand
Highly Cited
2004
Highly Cited
2004
We derive the quantum Boltzmann equation for the two-dimensional electron gas in a magnetic field such that the filling factor v… Expand
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Highly Cited
2003
Highly Cited
2003
Abstract A stable model category is a setting for homotopy theory where the suspension functor is invertible. The prototypical… Expand
Highly Cited
1993
Highly Cited
1993
The homology of Lie algebras is closely related to the cyclic homology of associative algebras [LQ]. In [L] the first author… Expand
Highly Cited
1993
Highly Cited
1993
The cyclotomic trace is a map from algebraic K-theory of a group ring to a certain topological refinement of cyclic homology. The… Expand
Highly Cited
1993
Highly Cited
1993
  • D. Scott
  • Theor. Comput. Sci.
  • 1993
  • Corpus ID: 7216334
Abstract The paper (first written in 1969 and circulated privately) concerns the definition, axiomatization, and applications of… Expand
Highly Cited
1982
Highly Cited
1982
It is well known that the homotopy category of connected CW-complexes X whose homotopy groups n;(X) are trivial for i> 1 is… Expand
Highly Cited
1975
Highly Cited
1975
ALGEBRAIC VARIETIES By ALEXANDER GROTHENDIEGK It is less than four years since eohomologieal methods (i.e. methods of Homologieal… Expand
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Highly Cited
1973
Highly Cited
1973
SuntoIn questo articolo viene rigorosamente sviluppata l'analogia fra dist (a, b)+dist (b, c)≥dist (a, c) e hom (A, B) ⊗ hom (B… Expand
Highly Cited
1958
Highly Cited
1958
The purpose of this paper is to develop a theory of dualities for modules and to give some applications to the theory of rings… Expand