3 papers
math.OC2023
Anomaly Search Over Many Sequences With Switching Costs
Matthew Ubl, Benjamin D. Robinson, Matthew T. Hale
This paper considers the quickest search problem to identify anomalies among large numbers of data streams. These streams can model, for example, disjoint regions monitored by a mo…
math.ST2023
The Local Ledoit-Peche Law
Van Latimer, Benjamin D. Robinson
Ledoit and Peche proved convergence of certain functions of a random covariance matrix's resolvent; we refer to this as the Ledoit-Peche law. One important application of their res…
math.RT2014
Operator-Valued Frames for the Heisenberg Group
Benjamin Robinson, William Moran, Douglas Cochran +1
A classical result of Duffin and Schaeffer gives conditions under which a discrete collection of characters on , restricted to , forms a Hilbert-space…