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111
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APPROX
2009
Springer
15 years 10 months ago
2009
Springer
An arithmetic read-once formula (ROF for short) is a formula (a circuit whose underlying graph is a tree) in which the operations are {+, ×} and such that every input variable la...
122
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ALGORITHMICA
2010
15 years 3 months ago
2010
We consider a novel class of art gallery problems inspired by wireless localization. Given a simple polygon P, place and orient guards each of which broadcasts a unique key within ...
119
Voted
AIML
1998
15 years 4 months ago
1998
Generalizing an example from (Fine 1975) and inspired by a theorem in (J
122
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COMBINATORICS
2004
15 years 3 months ago
2004
Haglund and Loehr previously conjectured two equivalent combinatorial formulas for the Hilbert series of the Garsia-Haiman diagonal harmonics modules. These formulas involve weigh...
117
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TSP
2010
14 years 10 months ago
2010
We derive the entropy rate formula for a complex Gaussian random process by using a widely linear model. The resulting expression is general and applicable to both circular and non...