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» The Essentially Equational Theory of Horn Classes
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MLQ
2000
99views more  MLQ 2000»
13 years 4 months ago
The Essentially Equational Theory of Horn Classes
It is well known that the model categories of universal Horn theories are locally presentable, hence essentially algebraic [2]. In the special case of quasivarieties a direct tran...
Hans-E. Porst
CADE
2006
Springer
14 years 5 months ago
Tree Automata with Equality Constraints Modulo Equational Theories
This paper presents new classes of tree automata combining automata with equality test and automata modulo equational theories. We believe that these classes have a good potential ...
Florent Jacquemard, Laurent Vigneron, Michaël...
APAL
2007
78views more  APAL 2007»
13 years 5 months ago
Partial Horn logic and cartesian categories
A logic is developed in which function symbols are allowed to represent partial functions. It has the usual rules of logic (in the form of a sequent calculus) except that the subs...
Erik Palmgren, Steven J. Vickers
CORR
2010
Springer
75views Education» more  CORR 2010»
13 years 4 months ago
Optimal control theory : a method for the design of wind instruments
It has been asserted previously by the author that optimal control theory can be a valuable framework for theoretical studies about the shape that a wind instrument should have in...
Georges Le Vey
COMBINATORICS
2004
74views more  COMBINATORICS 2004»
13 years 4 months ago
Enumerative Problems Inspired by Mayer's Theory of Cluster Integrals
The basic functional equations for connected and 2-connnected graphs can be traced back to the statistical physicists Mayer and Husimi. They play an essential role in establishing...
Pierre Leroux