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» A new homotopy for seeking all real roots of a nonlinear equ...
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CCE
2011
12 years 11 months ago
A new homotopy for seeking all real roots of a nonlinear equation
Saeed Khaleghi Rahimian, Farhang Jalali, J. D. Sea...
TPHOL
2007
IEEE
13 years 11 months ago
Verifying Nonlinear Real Formulas Via Sums of Squares
Techniques based on sums of squares appear promising as a general approach to the universal theory of reals with addition and multiplication, i.e. verifying Boolean combinations of...
John Harrison
ESA
2004
Springer
139views Algorithms» more  ESA 2004»
13 years 10 months ago
Comparing Real Algebraic Numbers of Small Degree
We study polynomials of degree up to 4 over the rationals or a computable real subfield. Our motivation comes from the need to evaluate predicates in nonlinear computational geome...
Ioannis Z. Emiris, Elias P. Tsigaridas
ICIP
1994
IEEE
13 years 9 months ago
Total Variation Based Image Restoration with Free Local Constraints
The two main plagues of image restoration are oscillations and smoothing. Traditional image restoration techniques prevent parasitic oscillations by resorting to smooth regulariza...
Leonid I. Rudin, Stanley Osher