3 papers
math.AP2026
Anomalous diffusion memory factorization: Characteristic timescales and application to inverse problem
William Cvetko, Elena Cherkaev
Memory effects and anomalous diffusion arising in models of transport in complex media, fractals, and viscoelastic materials can be described by fractional-differential equations,…
math.AP2026
Convolution-to-sum identities for Mittag-Leffler type functions
William Cvetko, Elena Cherkaev
Product-to-sum identities for trigonometric functions play a fundamental role in function theory and numerous applications. In this spirit, we present convolution-to-sum identities…
astro-ph.CO2025
InterACTing dark radiation models after ACT
William Cvetko, Melissa Joseph, Gustavo Marques-Tavares
In this work we assess the implications of the Atacama Cosmology Telescope DR6 measurements for two interacting dark radiation scenarios previously shown to mitigate the Hubble ten…