Speaker: Chenchen Lü, Harvard University Time: November 7, 2025 (4:30-6:30 PM EST) Venue: Faculty House *Please check the announcement board in the first floor lobby for room information. **Please use the ‘Request Pre-circulated Paper’ link to RSVP by November 3. All visitors without a CUID are required to receive pre-authorization to gain access to Morningside campus as per guidelines of Columbia Morningside campus access. Attendees must present a government-issued ID with their name matching exactly the name registered for the…