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Iterative approximation of solutions of nonlinear equations of Hammerstein type. (English) Zbl 1031.47045

Let \(F, K: X \rightarrow X\) be accretive maps with \(D(K) = F(X) = X\) on a \(q\)-uniformly smooth, real Banach space \(X\). Under various continuity assumptions on \(F\) and \(K\) such that (1) \(0 = u + KFu\) has a solution, the authors consider iterative methods which converge strongly to a solution of (1) without requiring that \(K\) is invertible or that \(K\) and \(F\) are defined on compact subsets of \(X\). The proofs provide explicit algorithms for computing the solution of (1).

MSC:

47J25 Iterative procedures involving nonlinear operators
47H06 Nonlinear accretive operators, dissipative operators, etc.