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DCG
2002
76views more  DCG 2002»
13 years 8 months ago
The Unit Distance Problem for Centrally Symmetric Convex Polygons
Let f(n) be the maximum number of unit distances determined by the vertices of a convex n-gon. Erdos and Moser conjectured that this function is linear. Supporting this conjecture...
Bernardo M. Ábrego, Silvia Fernández...
COCOA
2009
Springer
14 years 3 months ago
A PTAS for Node-Weighted Steiner Tree in Unit Disk Graphs
Abstract. The node-weighted Steiner tree problem is a variation of classical Steiner minimum tree problem. Given a graph G = (V, E) with node weight function C : V → R+ and a sub...
Xianyue Li, Xiao-Hua Xu, Feng Zou, Hongwei Du, Pen...
SAMOS
2007
Springer
14 years 3 months ago
High-Bandwidth Address Generation Unit
In this paper we describe an efficient data fetch circuitry for retrieving several operands from a n-bank interleaved memory system in a single machine cycle. The proposed address ...
Humberto Calderon, Carlo Galuzzi, Georgi Gaydadjie...
ISCAS
2006
IEEE
120views Hardware» more  ISCAS 2006»
14 years 3 months ago
Fast bit permutation unit for media enhanced microprocessors
— Bit and subword permutations are useful in many multimedia and cryptographic applications. New shift and permute instructions have been added to the instruction set of general-...
Giorgos Dimitrakopoulos, Christos Mavrokefalidis, ...
ATS
2002
IEEE
101views Hardware» more  ATS 2002»
14 years 2 months ago
An Access Timing Measurement Unit of Embedded Memory
As the deep sub-micron techniques evolving, embedded memories are dominating the yield, while the testing and measurement issues are more difficult due to the access limitations. ...
Shu-Rong Lee, Ming-Jun Hsiao, Tsin-Yuan Chang