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110
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ISSAC
2004
Springer
15 years 7 months ago
2004
Springer
We present a streamlined and refined version of Karr’s summation algorithm. Karr’s original approach constructively decides the telescoping problem in ΠΣ-fields, a very ge...
113
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EDM
2010
15 years 3 months ago
2010
Functional magnetic resonance imaging (fMRI) data were collected while students worked with a tutoring system that taught an algebra isomorph. A cognitive model predicted the distr...
126
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COR
2007
15 years 2 months ago
2007
When the processing times of jobs are controllable, selected processing times affect both the manufacturing cost and the scheduling performance.A well-known example for such a cas...
ORL
2008
15 years 2 months ago
2008
We propose a novel solution approach for polynomial programming problems with equality constraints. By means of a generic transformation, we show that solution schemes for the (ty...
104
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CC
2010
Springer
15 years 2 months ago
2010
Springer
We solve an open problem in communication complexity posed by Kushilevitz and Nisan (1997). Let R (f) and D