Systematically investigate gluings involving non-simply laced flavor symmetries

Investigate systematically the more general geometric gluings obtained by gauging non-simply laced flavor factors of five-dimensional SCFT fixtures and characterize the resulting five-dimensional SCFTs.

Background

The paper demonstrates a concrete gauging of a B2 flavor factor, producing a new singular threefold with additional singular loci. Unlike gauging a maximal puncture, this operation has no corresponding regular-puncture class-S description in the framework used in the paper.

The example suggests a broader family of gluings involving non-simply laced flavor symmetries, but the paper does not analyze that family systematically and explicitly leaves the investigation for future work.