Introduction to Yangian symmetry in integrable field theory
N. J. Mackay

TL;DR
This paper provides an introductory overview of Yangian symmetry, its representations, and its role in 1+1D integrable field theories, including the impact of boundaries on this symmetry.
Contribution
It offers a comprehensive introduction to Yangian symmetry and explores its applications in integrable field theories with boundaries.
Findings
Yangian symmetry underpins integrability in 1+1D field theories
Boundaries modify but do not destroy Yangian symmetry
Representations of Yangians are crucial for understanding integrable models
Abstract
Three introductory lectures: on Yangians and their representations; on Yangian symmetry in 1+1D integrable (bulk) field theory; and on the effect of a boundary upon this symmetry.
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