12 search results - page 2 / 3 » A fixed point theorem for discontinuous functions |
APPML
2010
13 years 5 months ago
2010
In this paper, we apply a fixed point theorem to obtain sufficient conditions for the existence of positive periodic solutions for two classes of higher-order functional differenc...
LICS
1991
IEEE
13 years 8 months ago
1991
IEEE
We present an elementary axiomatisation of synthetic domain theory and show that it is sufficient to deduce the fixed point property and solve domain equations. Models of these a...
JMLR
2010
13 years 2 days ago
2010
Contrastive Divergence (CD) is a popular method for estimating the parameters of Markov Random Fields (MRFs) by rapidly approximating an intractable term in the gradient of the lo...
FOCS
2008
IEEE
13 years 5 months ago
2008
IEEE
We consider markets in the classical Arrow-Debreu model. There are n agents and m goods. Each buyer has a concave utility function (of the bundle of goods he/she buys) and an init...
CIKM
2009
Springer
13 years 3 months ago
2009
Springer
Standard approaches to evaluating and comparing information retrieval systems compute simple averages of performance statistics across individual topics to measure the overall sys...