A. E. Frazho
Mathematics · Purdue University West Lafayette
Publications
153
Citations
2,022
Est. group size
—
Recurring co-author estimate
Active years
48
Publishing since 1977
A. E. Frazho works in operator theory and functional analysis, a branch of mathematics that studies linear transformations on infinite-dimensional spaces such as those arising in signal processing and systems theory. Recent work focuses on 'Wiener-Hopf indices' (a way of classifying certain matrix-valued or unitary-valued functions) and related factorization and interpolation problems for operators and rational functions. This research is largely theoretical, building mathematical tools and proofs rather than applied case studies.
Publication activity over the last decade has been modest and intermittent, with occasional gaps followed by small bursts of one to two papers per year, averaging about one publication per year over the last five years.
Generated by claude-sonnet-5 from public bibliographic data · Jul 20, 2026
- Wiener-Hopf indices of unimodular functions on the imaginary axis
arXiv (Cornell University) · 2024
- Wiener-Hopf Indices of Unitary-Valued Functions on the Imaginary Axis
Complex Analysis and Operator Theory · 2024
- Wiener-Hopf indices of unimodular functions on the unit circle, revisited
Linear Algebra and its Applications · 2023
- Wiener-Hopf indices of unimodular functions on the unit circle, revisited
arXiv (Cornell University) · 2023
- Solving Continuous Time Leech Problems for Rational Operator Functions
Integral Equations and Operator Theory · 2022
- Inner Outer Factorization of Wide Rational Matrix Valued Functions on the Half Plane
Operator theory · 2021
- All Solutions to an Operator Nevanlinna–Pick Interpolation Problem
Operator theory · 2018
- A note on inner-outer factorization of wide matrix-valued functions
Operator theory · 2018
- Laurent Series and <em>ℓ</em><sup><em>p</em></sup> Sequences
American Mathematical Monthly · 2016
- Operator theory×3
- arXiv (Cornell University)×2
- American Mathematical Monthly×1
- Integral Equations and Operator Theory×1
- Linear Algebra and its Applications×1
- Hari Bercovici
Mathematics · Indiana University
- Dusty Grundmeier
Mathematics · The Ohio State University
- Christopher Felder
Mathematics · Indiana University
- Steven R. Bell
Mathematics · Purdue University West Lafayette
- Kenneth D. Koenig
Mathematics · The Ohio State University
This profile was generated automatically from public scholarly data (OpenAlex). Group size and activity levels are estimates derived from co-authorship patterns.
Last updated Jul 20, 2026.
Claim or correct this profile