Consequences of Symmetry Fractionalization

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• (Theodore) Daniel Brennan (University of Birmingham)
• Friday 07 November 2025, 10:00-11:30
• Seminar Room 2, Newton Institute.

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BID - Quantum field theory with boundaries, impurities, and defects

Symmetry fractionalization describes the case when 0-form symmetries act on line operators in a particular way. In this talk, we will explore the consequences of symmetry fractionalization in general QFTs, emphasizing the case where there is no 1-form global symmetry that protects the lines. As we will see, symmetry fractionalization provides constraints which are similar to those implied by 1-form global symmetries.

This talk is part of the Isaac Newton Institute Seminar Series series.

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