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JSAC
2011
82views more  JSAC 2011»
14 years 4 months ago
Optimal Cognitive Access of Markovian Channels under Tight Collision Constraints
Abstract—The problem of cognitive access of channels of primary users by a secondary user is considered. The transmissions of primary users are modeled as independent continuous-...
Xin Li, Qianchuan Zhao, Xiaohong Guan, Lang Tong
MST
2011
208views Hardware» more  MST 2011»
14 years 4 months ago
Weighted Picture Automata and Weighted Logics
The theory of two-dimensional languages, generalizing formal string languages, was motivated by problems arising from image processing and models of parallel computing. Weighted au...
Ina Fichtner
SYNTHESE
2011
79views more  SYNTHESE 2011»
14 years 4 months ago
New life for Carnap's Aufbau?
Rudolf Carnap’s Der logische Aufbau der Welt (The Logical Structure of the World) is generally conceived of as being the failed manifesto of logical positivism. In this paper we...
Hannes Leitgeb
TNN
2010
216views Management» more  TNN 2010»
14 years 4 months ago
Simplifying mixture models through function approximation
Finite mixture model is a powerful tool in many statistical learning problems. In this paper, we propose a general, structure-preserving approach to reduce its model complexity, w...
Kai Zhang, James T. Kwok
ACS
2011
14 years 4 months ago
Algebras of Higher Operads as Enriched Categories
Abstract. One of the open problems in higher category theory is the systematic construction of the higher dimensional analogues of the Gray tensor product. In this paper we begin t...
Michael Batanin, Mark Weber