Noncommutative instantons revisited
Nikita A. Nekrasov
TL;DR
This paper introduces a new gauge fixing for U(1) noncommutative instantons, making them explicitly non-singular across the entire noncommutative space, thereby clarifying previous ambiguities.
Contribution
It presents a novel gauge choice that resolves singularities in noncommutative instantons, enhancing understanding of their structure.
Findings
Non-singular U(1) instantons in a new gauge
Clarification of previous confusions about instanton singularities
Pedagogical introduction to noncommutative gauge theories
Abstract
We find a new gauge in which U(1) noncommutative instantons are explicitly non-singular on the whole noncommutative R^4, thus resolving the previous confusions of the author. We start with the pedagogical introduction to the noncommutative gauge theories.
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