3 papers
math.FA2021
Estimates for polynomial norms on Banach spaces
Marianna Chatzakou, Yannis Sarantopoulos
Our work is related to problems and of Mazur and Orlicz in ``The Scottish Book" (ed. R. D. Mauldin). Let be nonnegative integers such that $\sum_{i=1}^…
math.FA2020
Bernstein and Markov-type inequalities for polynomials on spaces
M. Chatzakou, Y. Sarantopoulos
In this work, we discuss generalizations of the classical Bernstein and Markov type inequalities for polynomials and we present some new inequalities for the th Fréchet derivati…
math.QA2011
Circle products as restrictions of the square product
V. Anagnostopoulos, Y. Sarantopoulos
We equip the tensor algebra of a vector space over the real or complex field with an alternative product. The new product has the property that if we specialize it to the symme…