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Wednesday, April 29, 2026

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Wednesday, April 29th, 2026
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Water-Wave Scattering Amplitudes and the Waterhedron
Francesco Calisto, Caltech,
12:00pm – 1:00pm
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Caltech/IPAC Lunch Seminar

IPAC 102 (Large Conference Room)
Merging Dwarf Galaxies: Fueling Hierarchical Assembly
Sabrina Stierwalt, Occidental College,
12:00pm – 1:00pm
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Logic Seminar

Online Event
The Borel dichromatic number
Tonatiuh Matos Wiederhold, PhD Candidate, Department of Mathematics, University of Toronto,
4:00pm – 5:00pm
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Astronomy Colloquium

Cahill, Hameetman Auditorium
A paradigm shift in the landscape of Type Ia supernova progenitors
Ken Shen, Research Specialist, Department of Astronomy, UC Berkeley,
7:30pm – 8:30pm
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POSTPONED: Watson Lecture - Sarkis Mazmanian

Beckman Auditorium
Sarkis Mazmanian, Luis B. and Nelly Soux professor of microbiology; Merkin Institute Professor,