researcher

A. Pushnitski

57 papers hereh-index 161.1k citations85 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position

sole author11
first author21
middle author3
last author22

Across the 57 of 57 papers where every author was matched, so the position is known.

fields

math.SP43
math.FA7
math.AP3
math.CA3
math.CV1

same name

A. Pushnitski — 10 papers, h 3

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity

19992025

most citedThe Analytic Theory of Matrix Orthogonal Polynomials

188 citations · 327 across the 48 of their papers we have counts for

collaborators

Showing 2019 · math.SPShow all

2 papers · 2 filters

math.SP2019

Kato smoothness and functions of perturbed self-adjoint operators

Rupert L. Frank, Alexander Pushnitski

We consider the difference $f (H_{1}) - f (H_{0})$ for self-adjoint operators $H_{0}$ and $H_{1}$ acting in a Hilbert space. We establish a new class of estimates for the operator norm and the…

math.SP2019

Schatten class conditions for functions of Schrödinger operators

Rupert L. Frank, Alexander Pushnitski

We consider the difference $f (H_{1}) - f (H_{0})$ , where $H_{0} = - Δ$ and $H_{1} = - Δ + V$ are the free and the perturbed Schrödinger operators in $L^{2} (R^{d})$ , and $V$ is a real-valued short…

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Data

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.