Benjamin Lotto

Professor and Chair of Mathematics and Statistics

I received my undergraduate education at Yale University, graduating in 1982. I completed my PhD dissertation in 1988 at the University of California, Berkeley under the supervision of Donald Sarason. My main research interests are operator theory, functional analysis, complex analysis, and linear algebra. More specifically, my main mathematical love is the theory of Banach and Hilbert spaces of holomorphic functions and the operators that act on those spaces. Most of my work involves the classical Hardy spaces and de Branges-Rovnyak spaces (Hilbert spaces of holomorphic functions that live inside the classical Hardy space), and on various special operators that act on those spaces (Toeplitz, Hankel, and composition operators).

BS, Yale University; PhD, University of California-Berkeley
At Vassar since 1993


Rockefeller Hall
Box 349

Research and Academic Interests

Operator Theory
Functional Analysis
Complex Analysis
Linear Algebra

Departments and Programs


MATH 221 Linear Algebra
MATH 301 Topics In Advanced Mathematics and Statistics

In the Media

Ezra Potts ’25 points to a screen  showing what pollen looks like when viewed under a microscope.

More than 80 students engaged in research projects on the Vassar campus this summer with 33 faculty members under the auspices of the Undergraduate Research Summer Institute (URSI).


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