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» Constructive algebraic integration theory
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FPCA
1995
15 years 3 months ago
Bananas in Space: Extending Fold and Unfold to Exponential Types
Fold and unfold are general purpose functionals for processing and constructing lists. By using the categorical approach of modelling recursive datatypes as fixed points of funct...
Erik Meijer, Graham Hutton
ADCM
2007
59views more  ADCM 2007»
14 years 12 months ago
Gabor frames by sampling and periodization
By sampling the window of a Gabor frame for L2 (R) belonging to Feichtinger’s algebra, S0(R), one obtains a Gabor frame for l2 (Z). In this article we present a survey of results...
Peter L. Søndergaard
FFA
2007
62views more  FFA 2007»
14 years 11 months ago
On the parameters of r-dimensional toric codes
From a rational convex polytope of dimension r ≥ 2 J.P. Hansen constructed an error correcting code of length n = (q−1)r over the finite field Fq. A rational convex polytope...
Diego Ruano
APN
1994
Springer
15 years 3 months ago
On the Model of Computation of Place/Transition Petri Nets
Abstract. In the last few years, the semantics of Petri nets has been investigated in several different ways. Apart from the classical "token game", one can model the beh...
José Meseguer, Ugo Montanari, Vladimiro Sas...
ENTCS
2002
101views more  ENTCS 2002»
14 years 11 months ago
A categorical framework for typing CCS-style process communication
Category theory has proved a useful tool in the study of type systems for sequential programming languages. Various approaches have been proposed to use categorical models to exam...
Ralf Schweimeier