Philip Engel und University Person-Info 

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Philip Engel, Harvard University | Channels - McGill University

www.mcgill.ca
Title: Cusp Singularities Abstract: In 1884, Klein initiated the study of rational double points (RDPs), a special class of surface singularities ...

Mirror symmetry & Looijenga's conjecture | Math

www.math.princeton.edu
Philip Engel, Columbia University. IAS Room S A cusp singularity is an isolated surface singularity whose minimal resolution is a cycle of smooth rational curves meeting transversely. Cusp singularities come in naturally dual pairs. In the 1980's Looijenga conjectured that a cusp singularity is ...
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