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STOC
2003
ACM
110views Algorithms» more  STOC 2003»
16 years 4 months ago
New degree bounds for polynomial threshold functions
A real multivariate polynomial p(x1, . . . , xn) is said to sign-represent a Boolean function f : {0, 1}n {-1, 1} if the sign of p(x) equals f(x) for all inputs x {0, 1}n. We gi...
Ryan O'Donnell, Rocco A. Servedio
CISIS
2008
IEEE
15 years 10 months ago
Hybrid Performance Modeling and Prediction of Large-Scale Computing Systems
Abstract—Performance is a key feature of large-scale computing systems. However, the achieved performance when a certain program is executed is significantly lower than the maxi...
Sabri Pllana, Siegfried Benkner, Fatos Xhafa, Leon...
HICSS
2007
IEEE
139views Biometrics» more  HICSS 2007»
15 years 10 months ago
Bridging and Persistence in Sustained, Collaborative Problem Solving Online
The Virtual Math Teams (VMT) project investigates the innovative use of online collaborative environments to support effective mathematical problem-solving by small groups of lear...
Johann W. Sarmiento, Gerry Stahl
CALCO
2007
Springer
103views Mathematics» more  CALCO 2007»
15 years 10 months ago
The Goldblatt-Thomason Theorem for Coalgebras
Goldblatt and Thomason’s theorem on modally definable classes of Kripke frames and Venema’s theorem on modally definable classes of Kripke models are generalised to coalgebra...
Alexander Kurz, Jirí Rosický
SAC
2006
ACM
15 years 10 months ago
Improving the compensated Horner scheme with a fused multiply and add
Several different techniques and softwares intend to improve the accuracy of results computed in a fixed finite precision. Here we focus on a method to improve the accuracy of ...
Stef Graillat, Philippe Langlois, Nicolas Louvet