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DCG
2002
76views more  DCG 2002»
15 years 4 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
15 years 11 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
15 years 10 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»
15 years 10 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»
15 years 9 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