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98
Voted
IJAC
2007
59views more  IJAC 2007»
15 years 15 days ago
Polynomial-Time Complexity for Instances of the Endomorphism Problem in Free Groups
Abstract. We say the endomorphism problem is solvable for an element W in a free group F if it can be decided effectively whether, given U in F , there is an endomorphism φ of F ...
Laura Ciobanu
102
Voted
P2P
2008
IEEE
15 years 7 months ago
Flexible Routing in Grouped DHTs
In most DHTs proposed so far, all nodes are assumed to be homogeneous, and all messages are routed using a common algorithm. In practice, however, nodes in large-scale systems mig...
Yiming Zhang, Dongsheng Li, Lei Chen 0002, Xicheng...
90
Voted
COMBINATORICS
2000
103views more  COMBINATORICS 2000»
15 years 12 days ago
The Action of the Symmetric Group on a Generalized Partition Semilattice
Given an integer n 2, and a non-negative integer k, consider all affine hyperplanes in Rn of the form xi = xj +r for i, j [n] and a non-negative integer r k. Let n,k be the pos...
Robert Gill
103
Voted
CORR
2008
Springer
105views Education» more  CORR 2008»
15 years 20 days ago
On Full Diversity Space-Time Block Codes with Partial Interference Cancellation Group Decoding
In this paper, we propose a partial interference cancellation (PIC) group decoding strategy/scheme for linear dispersive space-time block codes (STBC) and a design criterion for th...
Xiaoyong Guo, Xiang-Gen Xia
86
Voted
DSN
2002
IEEE
15 years 5 months ago
Optimizing Buffer Management for Reliable Multicast
Reliable multicast delivery requires that a multicast message be received by all members in a group. Hence certain or all members need to buffer messages for possible retransmissi...
Zhen Xiao, Kenneth P. Birman, Robbert van Renesse