activity
19942026
most citedFormal symplectic groupoid of a deformation quantization

19 citations · 98 across the 26 of their papers we have counts for

collaborators

28 papers

math.CO2026

Minimal 3-regular Penny Graph

Alexander Karabegov, Tanya Khovanova

We prove that a 3-regular penny graph has at least 16 vertices and show that such a graph with 16 vertices exists.

math.SG2021

Lagrangian fields, Calabi functions, and local symplectic groupoids

Alexander Karabegov

A Lagrangian field on a symplectic manifold is a family of pointed Lagrangian submanifolds of . This notion is a generalization of a real Lagrangian pola…

math.QA2020

Formal oscillatory distributions

Alexander Karabegov

We introduce the notion of an oscillatory formal distribution supported at a point. We prove that a formal distribution is given by a formal oscillatory integral if and only if it…

math.QA2019

An algebra of distributions related to a star product with separation of variables

Alexander Karabegov

Given a star product with separation of variables on a pseudo-Kähler manifold and a point , we construct an associative algebra of formal distributions suppo…

math.QA2018★ 8 cited

Formal oscillatory integrals and deformation quantization

Alexander Karabegov

Following [14] and [12], we formalize the notion of an oscillatory integral interpreted as a functional on the amplitudes supported near a fixed critical point of the phase f…

math.QA2017

A heat kernel proof of the index theorem for deformation quantization

Alexander Karabegov

We give a heat kernel proof of the algebraic index theorem for deformation quantization with separation of variables on a pseudo-Kahler manifold. We use normalizations of the canon…