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APRG Seminar

Title: Wandering subspace problem for m-isometries
Speaker: Sameer Chavan (IIT, Kanpur)
Date: 11 December 2018
Time: 3 pm
Venue: LH-1, Mathematics Department

The wandering subspace problem for an analytic (norm-increasing) m-isometry T on a Hilbert space H asks whether every T-invariant subspace of H can be generated by a wandering subspace. An affirmative solution to this problem for m = 1 is ascribed to Beurling-Lax-Halmos, while that for m = 2 is due to Richter. In this talk, we discuss present status of this problem including some partial solutions in case m > 2.

Contact: +91 (80) 2293 2711, +91 (80) 2293 2265 ;     E-mail: chair.math[at]iisc[dot]ac[dot]in
Last updated: 18 May 2024