Elementary examples of solutions to Bochner's problem for matrix differential operators. - W. Riley Casper (J. Approx. Theory, 2018)

Disconnected Cliques in Derangement Graphs. - Sara Anderson; W. Riley Casper; Sam Fleyshman; Matt Rathbun (CoRR, 2024)

The Pascal Matrix, Commuting Tridiagonal Operators and Fourier Algebras. - W. Riley Casper; Ignacio Zurrian (CoRR, 2024)

Reconstructing Gridded Data from Higher Autocorrelations. - W. Riley Casper; Bobby Orozco (CoRR, 2025)