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» Reasoning with class algebra
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CADE
2000
Springer
14 years 2 months ago
System Description: ARA - An Automatic Theorem Prover for Relation Algebras
Abstract. aRa is an automatic theorem prover for various kinds of relation algebras. It is based on Gordeev’s Reduction Predicate Calculi for n-variable logic (RPCn) which allow ...
Carsten Sinz
ECAI
2000
Springer
14 years 1 months ago
Qualitative Spatial Reasoning about Line Segments
Abstract. Representing and reasoning about orientation information is an important aspect of qualitative spatial reasoning. We present a novel approach for dealing with intrinsic o...
Reinhard Moratz, Jochen Renz, Diedrich Wolter
STOC
2005
ACM
138views Algorithms» more  STOC 2005»
14 years 10 months ago
Fast quantum algorithms for computing the unit group and class group of a number field
Computing the unit group and class group of a number field are two of the main tasks in computational algebraic number theory. Factoring integers reduces to solving Pell's eq...
Sean Hallgren
AAAI
2000
13 years 11 months ago
Disjunctive Temporal Reasoning in Partially Ordered Models of Time
Certain problems in connection with, for example, cooperating agents and distributed systems require reasoning about time which is measured on incomparable or unsynchronized time ...
Mathias Broxvall, Peter Jonsson
FFA
2008
260views more  FFA 2008»
13 years 10 months ago
On the isotopism classes of finite semifields
A projective plane is called a translation plane if there exists a line L such that the group of elations with axis L acts transitively on the points not on L. A translation plane...
Michel Lavrauw