PMA Calendar
April 2025
Tuesday, April 1st, 2025
4:00pm
–
5:00pm
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Chemical Physics Seminar
Wavepackets that Probe Electron transfer and Quantum-Like States
Gregory D. Scholes,
William S. Tod Professor of Chemistry,
Department of Chemistry,
Princeton University,
5:00pm
–
6:00pm
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Caltech-Tsinghua Joint Colloquium
Online Event
Virasoro and triplet vertex algebras at positive rational central charge
Robert McRae,
Yau Mathematical Sciences Center,
Tsinghua University,
Wednesday, April 2nd, 2025
11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Existence and Stability of Euclidean Wormholes with $S^1\times S^2$ Boundaries
Xiaoyi Liu,
UC Santa Barbara,
11:00am
–
12:00pm
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12:15pm
–
1:00pm
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4:00pm
–
5:00pm
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ASTRONOMY COLLOQUIUM
AGN Variability: A Cornucopia or a Phantasmagoria?
Matthew Graham,
Research Professor of Astronomy,
California Institute of Technology,
Thursday, April 3rd, 2025
2:45pm
–
3:45pm
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Algebra and Geometry Seminar
Non-archimedean periods for log Calabi-Yau surfaces
Soham Karwa,
Department of Mathematics,
Duke University,
4:00pm
–
5:00pm
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Algebra and Geometry Seminar
Quantum K Rings of Partial Flags, Coulomb Branches, and the Bethe Ansatz
Irit Huq-Kuruvilla,
Department of Mathematics,
Virginia Tech,
Friday, April 4th, 2025
11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
An L-function Approach to 2D CFT
Eric Perlmutter,
IPhT-Saclay, Paris,
2:00pm
–
3:00pm
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TAPIR Seminar
Online and In-Person Event
Connecting Compact Object Dynamics with Multi-Messenger Observations in Dense Star Clusters
3:00pm
–
4:00pm
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Geometry and Topology Seminar
The L^2 Alexander torsion for 3-manifolds and sutured manifold theory
Jianru Duan,
School of Mathematical Sciences,
Peking University,
8:00pm
–
10:00pm
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Monday, April 7th, 2025
3:00pm
–
4:00pm
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LIGO Seminar
Deep source, noise, and glitch separation for the LISA global fit, with applications to LIGO
3:00pm
–
4:00pm
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Math Teaching Seminar
Conversations about Math Teaching: Flipping Math 6b
Catherine Babecki,
Department of Mathematics,
Caltech,
4:00pm
–
5:00pm
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Astronomy Tea Talk
"MOMOS: A Superconducting MKID High Resolution Multi-Object Spectrograph Testbed for the Detection and Characterization of Exoplanets" and "Learning to Read and Write in Physics and Astronomy"
4:00pm
–
5:00pm
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High Energy Physics Seminar
Online and In-Person Event
Higher Order Flavor Sum Rules
Margarita Gavrilova,
Cornell University,
Tuesday, April 8th, 2025
4:00pm
–
5:00pm
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Chemical Physics Seminar
Roel Tempelaar,
Assistant Professor of Chemistrry,
Department of Chemistry,
Northwestern University,
Wednesday, April 9th, 2025
11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Quantizing the Area: Geometry from Conditional Probability
Marc Klinger,
University of Illinois, Urbana-Champaign,
12:00pm
–
1:00pm
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Logic Seminar
Online Event
Simplicial complexes, stellar moves, projective amalgamation, and set theory
Sławomir Solecki,
Department of Mathematics,
Cornell University,
12:15pm
–
1:00pm
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Caltech/IPAC Lunch Seminar
Online Event
Imaging Young Jupiters with GPI 2.0
Saavidra Perera,
UC Santa Cruz,
4:00pm
–
5:00pm
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ASTRONOMY COLLOQUIUM
SPHEREx First Light
Jamie Bock,
Marvin L. Goldberger Professor of Physics, Caltech; Senior Research Scientist, JPL,
California Institute of Technology; Jet Propulsion Laboratory,
Thursday, April 10th, 2025
2:45pm
–
3:45pm
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Caltech/USC Joint Algebra and Geometry Seminar
Counting Maps to Hypersurfaces in Grassmannians
Shubham Sinha,
Department of Mathematics,
ICTP,
4:00pm
–
5:00pm
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Caltech/USC Joint Algebra and Geometry Seminar
A moduli theoretic approach to heights on stacks
Dori Bejleri,
Department of Mathematics,
University of Maryland,
4:00pm
–
5:00pm
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LA Probability Forum
Interplay of Vertex and Edge Dynamics for Dense Random Graphs
Frank den Hollander,
Department of Mathematics,
Leiden University,
4:00pm
–
5:00pm
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Number Theory Seminar
Murmurations from functional equations
Alex Cowan,
Pure Mathematics,
University of Waterloo,
4:00pm
–
5:00pm
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4:00pm
–
5:00pm
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Physics Colloquium
Online and In-Person Event
Probing Photonic Quantum Matter with Cats
Jonathan Simon,
Stanford University,
5:00pm
–
6:00pm
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LA Probability Forum
Random cluster models on random graphs
Remco van der Hofstad,
Department of Mathematics and Computer Science,
Eindhoven University of Technology,
6:00pm
–
7:00pm
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LA Probability Forum
Large deviations for the giant in spatial random graphs
Joost Jorritsma,
Department of Statistics,
Magdalen College, University of Oxford,
Friday, April 11th, 2025
11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Decoherence near Black Holes: Causality, Fluctuation and Dissipation
Sam Gralla,
University of Arizona,
2:00pm
–
3:00pm
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Special Quantum Matter Seminar
Quantum circuit and novel quantum state preparation from spacetime duality
2:00pm
–
3:00pm
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TAPIR Seminar
Online and In-Person Event
Three-Dimensional Long-Term CCSN Simulations: New Insights and Challenges
3:00pm
–
4:00pm
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Geometry and Topology Seminar
Bordered algebras and the wrapped Fukaya category
Isabella Khan,
Forbes College,
Princeton University,
Monday, April 14th, 2025
4:00pm
–
5:00pm
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High Energy Physics Seminar
Online and In-Person Event
Gravothermal Collapse of Dark Matter Halos: Observational Insights
Haibo Yu,
UC Riverside,
Tuesday, April 15th, 2025
4:00pm
–
5:00pm
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Chemical Physics Seminar
Mapping and controlling excited state potential energy surfaces with ultrafast Raman spectroscopies
Renee Frontiera,
Northrop Professor,
Department of Chemistry,
University of Minnesota,
Wednesday, April 16th, 2025
11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Phases with Generalized Symmetries
Alison Warman,
University of Oxford,
12:15pm
–
1:00pm
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Caltech/IPAC Lunch Seminar
ALMA+JWST Discovers Companions at < 18 kpc Around z~3.5 Radio AGN
Wuji Wang,
Caltech/IPAC,
4:00pm
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5:00pm
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ASTRONOMY COLLOQUIUM
Fast Radio Bursts
Vikram Ravi,
Assistant Professor of Astronomy,
California Institute of Technology,
,
Thursday, April 17th, 2025
11:00am
–
1:00pm
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2:45pm
–
3:45pm
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Algebra and Geometry Seminar
Moduli spaces of curves with polynomial point count
Hannah Larson,
Department of Mathematics,
UC Berkeley,
3:00pm
–
7:00pm
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4:00pm
–
5:00pm
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Algebra and Geometry Seminar
Gram Matrices for Isotropic Vectors
Bernd Sturmfels,
Department of Mathematics,
UC Berkeley,
4:00pm
–
5:00pm
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Number Theory Seminar
On p-adic L-functions for GL(N)
Mladen Dimitrov,
Department of Mathematics,
Université de Lille,
4:00pm
–
5:00pm
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Physics Colloquium
Online and In-Person Event
Feedback control of open quantum systems: Looking back, looking forward
Hideo Mabuchi,
Stanford University,
Friday, April 18th, 2025
11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Exploring CFT Moments
David Poland,
Yale University,
12:00pm
–
1:00pm
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IQIM Postdoctoral and Graduate Student Seminar
Jordan-Wigner transformations on the torus
Frank Verstraete,
University of Ghent, University of Cambridge,
2:15pm
–
3:15pm
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TAPIR Seminar
Online and In-Person Event
Performance-Portable Numerical Relativity with AthenaK and Applications
3:00pm
–
4:00pm
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Geometry and Topology Seminar
Tight contact structures on Seifert fibrations
Hyunki Min,
Department of Mathematics,
UCLA,
Monday, April 21st, 2025
3:00pm
–
4:00pm
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Math Teaching Seminar
Conversations about Math Teaching: Giving and receiving feedback
Clara Seo,
Chemistry Department,
Caltech,