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» A generalization of the Lin-Zhao theorem
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FSS
2008
82views more  FSS 2008»
13 years 10 months ago
Lattice-valued convergence spaces and regularity
: We define a regularity axiom for lattice-valued convergence spaces where the lattice is a complete Heyting algebra. To this end, we generalize the characterization of regularity ...
Gunther Jäger
IANDC
2008
116views more  IANDC 2008»
13 years 10 months ago
Deciding expressive description logics in the framework of resolution
We present a decision procedure for the description logic SHIQ based on the basic superposition calculus, and show that it runs in exponential time for unary coding of numbers. To...
Ullrich Hustadt, Boris Motik, Ulrike Sattler
ENTCS
2006
172views more  ENTCS 2006»
13 years 10 months ago
Locality of Queries and Transformations
Locality is a standard notion of finite model theory. There are two well known flavors of it, based on Hanf's and Gaifman's theorems. Essentially they say that structure...
Leonid Libkin
CAGD
2007
91views more  CAGD 2007»
13 years 10 months ago
Note on curve and surface energies
Energies of curves and surfaces together with their discrete variants play a prominent role as fairness functionals in geometric modeling and computer aided geometric design. This ...
Johannes Wallner
IJNSEC
2006
61views more  IJNSEC 2006»
13 years 10 months ago
Is There a Shortage of Primes for Cryptography?
Cryptographic algorithms often prescribe the use of primes whose length in bits is a power of 2. Recently, we proved that for m > 1, there is no prime number with 2m significan...
Samuel S. Wagstaff Jr.