2 papers
cs.SC2022
Sturm's Theorem with Endpoints
Philippe Pébay, J. Maurice Rojas, David C. Thompson
Sturm's Theorem is a fundamental 19th century result relating the number of real roots of a polynomial in an interval to the number of sign alternations in a sequence of polyno…
math.AG2009
Optimization and NP_R-Completeness of Certain Fewnomials
Philippe Pebay, J. Maurice Rojas, David C. Thompson
We give a high precision polynomial-time approximation scheme for the supremum of any honest n-variate (n+2)-nomial with a constant term, allowing real exponents as well as real co…