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COMBINATORICS
1999
14 years 9 months ago
1999
We define and study m-closed cellular algebras (coherent configurations) and m-isomorphisms of cellular algebras which can be regarded as mth approximations of Schurian algebras (...
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ACNS
2003
Springer
15 years 3 months ago
2003
Springer
A (t, n) threshold signature scheme allows t or more group members to generate signatures on behalf of a group with n members, while any t−1 or less members cannot do the same th...
WONS
2005
IEEE
15 years 3 months ago
2005
IEEE
—Wireless ad hoc radio networks have gained a lot of attention in recent years. We consider geometric networks, where nodes are located in a euclidean plane. We assume that each ...
SAGA
2007
Springer
15 years 4 months ago
2007
Springer
The line-of-sight networks is a network model introduced recently by Frieze et al. (SODA’07). It considers scenarios of wireless networks in which the underlying environment has...
SIGGRAPH
1987
ACM
15 years 1 months ago
1987
ACM
In the course of developing a system for fitting smooth curves to camera input we have developed several direct (i.e. noniterative) methods for fitting a shape (line, circle, conic...