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SIAMJO
2011
14 years 4 months ago
Adaptive Multilevel Inexact SQP Methods for PDE-Constrained Optimization
We present a class of inexact adaptive multilevel trust-region SQP-methods for the efficient solution of optimization problems governed by nonlinear partial differential equations...
J. Carsten Ziems, Stefan Ulbrich
ASPDAC
2001
ACM
104views Hardware» more  ASPDAC 2001»
15 years 1 months ago
Optimal spacing and capacitance padding for general clock structures
Clock-tuning has been classified as important but tough tasks due to the non-convex nature caused by the skew requirements. As a result, all existing mathematical programming appr...
Yu-Min Lee, Hing Yin Lai, Charlie Chung-Ping Chen
CISS
2010
IEEE
14 years 1 months ago
Cost constrained spectrum sensing in cognitive radio networks
—This paper addresses optimal spectrum sensing in cognitive radio networks considering its system level cost that accounts for the local processing cost of sensing (sample collec...
Gang Xiong, Shalinee Kishore, Aylin Yener
ICCAD
1997
IEEE
90views Hardware» more  ICCAD 1997»
15 years 2 months ago
A hierarchical decomposition methodology for multistage clock circuits
† This paper describes a novel methodology to automate the design of the interconnect distribution for multistage clock circuits. We introduce two key ideas. First, a hierarchica...
Gary Ellis, Lawrence T. Pileggi, Rob A. Rutenbar
ICML
2007
IEEE
15 years 10 months ago
Dirichlet aggregation: unsupervised learning towards an optimal metric for proportional data
Proportional data (normalized histograms) have been frequently occurring in various areas, and they could be mathematically abstracted as points residing in a geometric simplex. A...
Hua-Yan Wang, Hongbin Zha, Hong Qin