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math.FA2021
An iteration scheme for monotone operators in Hilbert spaces
Olavi Nevanlinna
We give an iteration scheme for finding zeros of maximal monotone operators in Hilbert spaces. We assume that the operator is defined in the whole space. The iterates converge stro…
math.CV2021
Rational functions as new variables
Diana Andrei, Olavi Nevanlinna, Tiina Vesanen
In multicentric calculus one takes a polynomial with distinct roots as a new variable and represents complex valued functions by -valued functions, where is th…