Weighted X-ray mapping properties on the Euclidean and Hyperbolic Disks

Speaker: 

Yuzhou Joey Zou

Institution: 

Northwestern University

Time: 

Monday, October 28, 2024 - 4:00pm to 4:50pm

Location: 

340P

We discuss recent works studying sharp mapping properties of weighted X-ray transforms on the Euclidean disk and hyperbolic disk. These include a C^\infty isomorphism result (joint with R. Mishra and F. Monard) for certain weighted normal operators on the Euclidean disk, whose proof involves studying the spectrum of a distinguished Keldysh-type degenerate elliptic differential operator. We then discuss how to transfer these results to the hyperbolic disk (joint with N. Eptaminitakis and F. Monard), by using a projective equivalence between the Euclidean and hyperbolic disks via the Beltrami-Klein model.

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