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math.FA2023
Computerized Tomography and Reproducing Kernels
Ho Yun, Victor M. Panaretos
The X-ray transform is one of the most fundamental integral operators in image processing and reconstruction. In this article, we revisit the formalism of the X-ray transform by co…
quant-ph2023
Redheffer: Trig to Quantum Error Bounds
Ho Yun
In the existing literature, the Redheffer inequality is typically proven using mathematical induction. In this short paper, we present a straightforward proof of this inequality by…