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» A zero-dimensional approach to compute real radicals
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FOCM
2008
59views more  FOCM 2008»
13 years 5 months ago
Semidefinite Characterization and Computation of Zero-Dimensional Real Radical Ideals
For an ideal I R[x] given by a set of generators, a new semidefinite characterization of its real radical I(VR(I)) is presented, provided it is zero-dimensional (even if I is not...
Jean B. Lasserre, Monique Laurent, Philipp Rostals...
CSJM
2008
88views more  CSJM 2008»
13 years 5 months ago
A zero-dimensional approach to compute real radicals
The notion of real radicals is a fundamental tool in Real Algebraic Geometry. It takes the role of the radical ideal in Complex Algebraic Geometry. In this article I shall describ...
Silke J. Spang
ASAP
2005
IEEE
99views Hardware» more  ASAP 2005»
13 years 11 months ago
Variable Radix Real and Complex Digit-Recurrence Division
We propose a digit-recurrence algorithm for division in real and complex number domains using a variable radix. The objective of the approach is to simplify the prescaling of the ...
Milos D. Ercegovac, Jean-Michel Muller
ISMVL
2005
IEEE
108views Hardware» more  ISMVL 2005»
13 years 11 months ago
Approaching the Physical Limits of Computing
As logic device sizes shrink towards the nanometer scale, a number of important physical limits threaten to soon halt further improvements in computer performance per unit cost. H...
Michael P. Frank
HICSS
2003
IEEE
193views Biometrics» more  HICSS 2003»
13 years 10 months ago
Ambient computing applications: an experience with the SPREAD approach
Todays, we assist to the explosive development of mobile computing devices like PDAs and cell-phones, the integration of embedded intelligence (like Web server) in more and more c...
Paul Couderc, Michel Banâtre