Blog 2024 Jun 17: ArXiv chatbot: building a RAG agent with LangChain and GPT-3.5 May 10: Decision trees and ensemble methods 2020 Jun 30: Equivariant cohomology 2019 Dec 29: A product structure on CP^infinity Nov 4: Intersection homology, Part I Jan 10: Line bundles on a Riemann surface Jan 2: Hilbert schemes