2 papers
math.FA2026
A New Characterization of the Domains of Integral Powers of the Self-Adjoint Friedrichs-Legendre Operator
Lance Littlejohn, Richard Wellman, Quinn Wicks
Let be the self-adjoint operator in , generated by the second-order classical Legendre differential equation% \[ \ell\lbrack y](t)=-\left( (1-t^{2})y^{\prime}(t)\r…
math.HO2026
Carl Størmer and his Numbers
Matthew Kroesche, Lance L. Littlejohn, Graeme Reinhart
In many proofs of Fermat's Two Squares Theorem, the smallest least residue solution of the quadratic congruence plays an essential role; here is p…