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COMBINATORICS
2007
74views more  COMBINATORICS 2007»
14 years 9 months ago
Statistics on the Multi-Colored Permutation Groups
We define an excedance number for the multi-colored permutation group i.e. the wreath product (Zr1 × · · · × Zrk ) Sn and calculate its multi-distribution with some natural ...
Eli Bagno, Ayelet Butman, David Garber
ISCAPDCS
2004
14 years 10 months ago
A Framework for Role-Based Access Control in Group Communication Systems
In this paper we analyze the requirements access control mechanisms must fulfill in the context of group communication and define a framework for supporting fine-grained access co...
Cristina Nita-Rotaru, Ninghui Li
INTERACT
2003
14 years 10 months ago
Gudar - A Novel Group Music Instrument
: This interactive experience explores a novel group music instrument – the gudar (group music radar) which allows groups of people to improvise and compose music over time in ne...
Nick Bryan-Kinns
EJC
2002
14 years 9 months ago
Neighbourhood Graphs of Cayley Graphs for Finitely-generated Groups
In this short note the neighbourhood graph of a Cayley graph is considered. It has as nodes a symmetric generating set of a finitely-generated group . Two nodes are connected by a...
Markus Neuhauser
GVD
2004
109views Database» more  GVD 2004»
14 years 11 months ago
Database Caching: Analysis of Constraint-based Approaches Exemplified by Cache Groups
Caching is a proven means to improve scalability and availability of software systems as well as to reduce latency of user requests. In contrast to Web caching where single Web ob...
Andreas Bühmann, Theo Härder