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» On unbounded operators and applications
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JAT
2007
55views more  JAT 2007»
15 years 6 months ago
Chalmers-Metcalf operator and uniqueness of minimal projections
We know that not all minimal projections in Lp (1 < p < ∞) are unique (see [39]). The aim of this paper is examine the connection of the Chalmers-Metcalf operator (introduc...
Grzegorz Lewicki, Leslaw Skrzypek
CVPR
2012
IEEE
13 years 8 months ago
Geometric understanding of point clouds using Laplace-Beltrami operator
In this paper, we propose a general framework for approximating differential operator directly on point clouds and use it for geometric understanding on them. The discrete approxi...
Jian Liang, Rongjie Lai, Tsz Wai Wong, Hongkai Zha...
GIS
2006
ACM
16 years 7 months ago
Query optimizer for spatial join operations
This paper presents a query optimizer module based on cost estimation that chooses the best filtering step algorithm to perform a specific spatial join operation. A set of express...
Cirano Iochpe, João Luiz Dihl Comba, Miguel...
OSDI
2002
ACM
16 years 6 months ago
Practical, Transparent Operating System Support for Superpages
Most general-purpose processors provide support for memory pages of large sizes, called superpages. Superpages enable each entry in the translation lookaside buffer (TLB) to map a...
Juan Navarro, Sitaram Iyer, Peter Druschel, Alan L...
VTC
2008
IEEE
126views Communications» more  VTC 2008»
16 years 21 days ago
On the Impact of Coarse Synchronization on the Performance of Broadcast/Multicast Single Frequency Network Operation in WCDMA
Abstract—We evaluate the system-level performance and potential capacity gain of MBSFN (Multicast/Broadcast Single Frequency Network) operation in Wideband CDMA (WCDMA) and compa...
Christoph A. Jotten, Christian Sgraja, Josef J. Bl...