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COMBINATORICS
2000
100views more  COMBINATORICS 2000»
15 years 6 months ago
Separability Number and Schurity Number of Coherent Configurations
To each coherent configuration (scheme) C and positive integer m we associate a natural scheme C(m) on the m-fold Cartesian product of the point set of C having the same automorph...
Sergei Evdokimov, Ilia N. Ponomarenko
COMBINATORICS
2000
129views more  COMBINATORICS 2000»
15 years 6 months ago
Combinatorial statistics on type-B analogues of noncrossing partitions and restricted permutations
We define type-B analogues of combinatorial statistics previously studied on noncrossing partitions and show that analogous equidistribution and symmetry properties hold in the ca...
Rodica Simion
CORR
2002
Springer
133views Education» more  CORR 2002»
15 years 6 months ago
Complete Axiomatizations for Reasoning About Knowledge and Time
Sound and complete axiomatizations are provided for a number of different logics involving modalities for knowledge and time. These logics arise from different choices for various ...
Joseph Y. Halpern, Ron van der Meyden, Moshe Y. Va...
ETS
2000
IEEE
100views Hardware» more  ETS 2000»
15 years 6 months ago
Using computer-mediated communication to form a knowledge-building community with beginning teachers
This study investigated how different types of computer-mediated communication (CMC) such as asynchronous forums, synchronous forums and e-mail were used to support an alternative...
Brian Ferry, Julie Kiggins, Garry Hoban, Lori Lock...
JSC
2000
99views more  JSC 2000»
15 years 6 months ago
Computing Orbits of Minimal Parabolic k-subgroups Acting on Symmetric k-varieties
The orbits of a minimal parabolic k-subgroup acting on a symmetric k-variety are essential to the study of symmetric k-varieties and their representations. This paper gives an algo...
Aloysius G. Helminck