I am a third-year PhD student in mathematics at Columbia University interested in enumerative geometry. My advisor is Melissa Liu. Before this, I was an undergrad at UMass Amherst, where I also studied computer science. During my undergraduate studies, I was fortunate to be advised by Paul Hacking.

**Email:**plei at math dot columbia dot edu- CV (pdf)
- Short expositions of complex cobordism, rational blowdowns, geometric complexity theory, permanent vs determinant, artin l-functions, and derived categories that you may or may not find useful.

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