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ICIS
2000
13 years 11 months ago
Economic returns to firms from business-to-business electronic commerce initiatives: an empirical examination
Do firms derive economic returns from business-to-business(B2B) initiatives? How do returns to startup firms compare to those for established firms in B2B initiatives? How do retu...
Mani R. Subramani, Eric Walden
CORR
2011
Springer
165views Education» more  CORR 2011»
13 years 1 months ago
Tight Upper Bounds for Streett and Parity Complementation
Complementation of finite automata on infinite words is not only a fundamental problem in automata theory, but also serves as a cornerstone for solving numerous decision problem...
Yang Cai, Ting Zhang
IPPS
2005
IEEE
14 years 3 months ago
Optimal Channel Assignments for Lattices with Conditions at Distance Two
The problem of radio channel assignments with multiple levels of interference can be modeled using graph theory. Given a graph G, possibly infinite, and real numbers k1, k2, . . ...
Jerrold R. Griggs, Xiaohua Teresa Jin
FOCS
2004
IEEE
14 years 1 months ago
Hardness of Approximating the Shortest Vector Problem in Lattices
Let p > 1 be any fixed real. We show that assuming NP RP, there is no polynomial time algorithm that approximates the Shortest Vector Problem (SVP) in p norm within a constant ...
Subhash Khot
JCT
2007
140views more  JCT 2007»
13 years 10 months ago
Homomorphisms and edge-colourings of planar graphs
We conjecture that every planar graph of odd-girth 2k + 1 admits a homomorphism to Cayley graph C(Z2k+1 2 , S2k+1), with S2k+1 being the set of (2k + 1)vectors with exactly two co...
Reza Naserasr