We consider the problem of representing a univariate polynomial f(x) as a sum of powers of low degree polynomials. We prove a lower bound of Ω(√ d/t) for writing an explicit univariate degree-d polynomial f(x) as a sum of powers of degree-t polynomials.
CITATION STYLE
Kayal, N., Koiran, P., Pecatte, T., & Saha, C. (2015). Lower bounds for sums of powers of low degree univariates. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 9134, pp. 810–821). Springer Verlag. https://doi.org/10.1007/978-3-662-47672-7_66
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