PMA Calendar
February 2026
Monday, February 2nd, 2026
4:00pm
–
5:00pm
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Astronomy Tea Talks
Where the hot universe meets the energetic universe
Sanskriti Das,
Hubble Fellow,
Stanford University,
4:00pm
–
5:00pm
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High Energy Physics Seminar
Online and In-Person Event
Strong & Radiative Decays: two different stories in B-physics
Federico Cima,
Caltech,
Tuesday, February 3rd, 2026
4:00pm
–
5:00pm
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Leonidas Alaoglu Memorial Lecture
The (algebraic) geometry of the Mandelbrot set
Laura DeMarco,
Professor,
Department of Mathematics,
Harvard University,
Wednesday, February 4th, 2026
11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Kinematic algebras and off-shell double copies
Maor Ben Shahar,
MIT,
12:00pm
–
1:00pm
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Logic Seminar
Online Event
The rank problem for complete, separable metric spaces
Asger Törnquist,
Associate Professor,
Department of Mathematics,
University of Copenhagen,
1:00pm
–
2:00pm
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Analysis Seminar
Resolving the Berger–Coburn Conjecture
Sam Looi,
Taussky-Todd Postdoctoral Scholar Fellow,
Department of Mathematics,
Caltech,
4:00pm
–
5:00pm
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Astronomy Colloquium
Astronomical instruments on a chip — Getting ready for the next-generation of telescopes
Pradip Gatkine,
Assistant Professor of Physics and Astronomy,
UCLA,
4:00pm
–
5:00pm
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Thursday, February 5th, 2026
3:00pm
–
4:00pm
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LA Probability Forum (1/3)
A Limit in Law for the Cover Time of Wired Planar Domains
Oren Louidor,
Associate Professor,
Department of Mathematics,
Technion,
4:00pm
–
5:00pm
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LA Probability Forum (2/3)
The largest common subtree of two independent random trees
Robin Khanfir,
The largest common subtree of two independent random trees,
Department of Mathematics,
McGill University,
4:00pm
–
5:00pm
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Number Theory Seminar
A p-adic approach to exotic Hecke correspondences between Shimura varietie
Jack Sempliner,
Assistant Professor,
Department of Mathematics,
UCLA,
4:00pm
–
5:00pm
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Physics Colloquium
Online and In-Person Event
Katerina Chatziioannou,
Assistant Professor of Physics; William H. Hurt Scholar,
Department of Physics,
Caltech,
5:00pm
–
6:00pm
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LA Probability Forum (3/3)
The phase transition in the time-evolving random graphs
Lutz Warnke,
Professor,
Department of Mathematics,
UCSD,
Friday, February 6th, 2026
11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Unitary Architecture of Renormalization
Sebastian Mizera,
Columbia University,
12:00pm
–
1:00pm
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IQIM Postdoctoral and Graduate Student Seminar
Infinite temperature at zero energy
David Long,
Stanford,
2:00pm
–
3:00pm
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4:00pm
–
5:00pm
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Monday, February 9th, 2026
3:00pm
–
4:00pm
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Astronomy Tea Talk
Gaia's Exoplanet Potential
Caleb Lammers,
3rd year PhD student,
Princeton University,
4:00pm
–
5:00pm
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High Energy Physics Seminar
Online and In-Person Event
The renormalization group for large-scale structure
Henrique Rubira,
LMU München, Kavli Institute for Cosmology, Cambridge,
4:00pm
–
5:00pm
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7:30pm
–
9:30pm
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Tuesday, February 10th, 2026
11:15am
–
12:15pm
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Math Graduate Student Seminar
Curve counting, Hodge theory and birational invariants
Shaowu Zhang,
Graduate Student,
Department of Mathematics,
Caltech,
Wednesday, February 11th, 2026
11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Soft theorems from higher symmetries
Jonah Berean-Dutcher,
University of British Columbia,
12:00pm
–
1:00pm
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Logic Seminar
Online Event
Generalized descriptive set theory at singular cardinals of countable cofinality
Luca Motto Ros,
Professor,
Department of Mathematics,
University of Turin,
12:15pm
–
1:00pm
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Caltech/IPAC Lunch Seminar
Online Event
Interpreting JWST Spectra for Signs of Habitability and Life with Atmospheric Models
Nicholas Wogan,
NASA AMES,
4:00pm
–
5:00pm
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Astronomy Colloquium
The Next Revolution: Exoplanet Atmospheric Characterization at High-Resolution
Emily Rauscher,
Associate Professor,
Department of Astronomy,
University of Michigan,
Thursday, February 12th, 2026
2:30pm
–
3:30pm
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Caltech/USC Joint Algebra & Geometry Seminar
Matroids and the integral Hodge conjecture for abelian varieties
Philip Engel,
Assistant Professor,
Department of Mathematics, Statistics, and Computer Science,
University of Illinois in Chicago (UIC),
4:00pm
–
5:00pm
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Number Theory Seminar
Eisenstein cocycles for imaginary quadratic fields
Romyar Sharifi,
Professor,
Department of Mathematics,
UCLA,
4:00pm
–
5:00pm
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Physics Colloquium
Online and In-Person Event
Quantum science and technology with rare earth ions and nano-photonics
Andrei Faraon,
Willian L Valentine Professor of Applied Physics and Electrical Engineering, Fletcher Jones Director of the Kavli Nanoscience Institute,
Applied Physics and Electrical Engineering,
Caltech,
Friday, February 13th, 2026
11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
The Measure Problem and the Beginning of the Universe
Björn Hassfeld,
University of Wisconsin, Madison,
11:00am
–
12:00pm
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Quantum Matter Seminar
Terahertz-frequency magnons and chiral phonons in a kagome ferromagnetic Weyl semimetal
2:00pm
–
3:00pm
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IQIM Postdoctoral and Graduate Student Seminar
From higher-dimensional Fermiology to higher Hall crystals in moiré materials
Nisarga Paul,
Sherman Fairchild Postdoctoral Scholar,
5:00pm
–
7:00pm
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Tuesday, February 17th, 2026
12:00pm
–
1:00pm
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2:00pm
–
3:00pm
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Joint CPS/GPS seminar
Chirality and the electron spin- A miraculous match
Ron Naaman,
Professor Emeritus,
Department of Chemical and Biological Physics,
Weizmann Institute of Science, Isreal,
4:00pm
–
5:00pm
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Wednesday, February 18th, 2026
11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
No Shift Symmetries and Tensionless String Limits in AdS/CFT
Jose Calderon Infante,
Caltech,
12:00pm
–
1:00pm
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Logic Seminar
Online Event
Spectral theory and descriptive combinatorics for Borel pmp graphs
Cecelia Higgins,
Assistant Professor,
Department of Mathematics,
Rutgers University,
4:00pm
–
5:00pm
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Astronomy Colloquium
Magnetism and morphology in the interstellar medium
Susan Clark,
Assistant Professor of Physics,
Stanford University,
4:00pm
–
5:00pm
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Thursday, February 19th, 2026
4:00pm
–
5:00pm
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Number Theory Seminar
A new case of the Harris-Viehmann conjecture
Sandra Nair,
Ph.D. Candidate,
Department of Mathematics,
Colorado State University,
4:00pm
–
5:00pm
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Friday, February 20th, 2026
10:00am
–
11:00am
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11:00am
–
12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Exact Path Integral Methods in AdS$_2\times \mathbf{S}^2$ and Non-Perturbative Black Holes
Alberto Castellano,
University of Chicago,
12:00pm
–
1:00pm
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IQIM Postdoctoral and Graduate Student Seminar
Testing the quantumness of gravity "ab absurdo"
Emanuele Panella,
University of Rome Tor Vergata,
2:00pm
–
3:00pm
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Geometry & Topology Seminar (1/2)
Widths, Index, Intersection, and Isospectrality
Jared Marx-Kuo,
NSF Postdoctoral Fellow,
Department of Mathematics,
Rice University,
3:00pm
–
4:00pm
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Geometry & Topology Seminar (2/2)
Min-max constructions in noncompact manifolds
Doug Stryker,
NSF Postdoctoral Scholar,
Department of Mathematics,
Stanford University,
Monday, February 23rd, 2026
3:00pm
–
4:00pm
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Astronomy Tea Talk
Planets in binary star systems
Thomas Baycroft,
Siyuan fellow,
Tsung-Dao Lee institute of Shanghai Jiao Tong University,
4:00pm
–
5:00pm
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High Energy Physics Seminar
Online and In-Person Event
Dynamical Love Numbers for Black Holes and Beyond from Shell Effective Field Theory
Dimitrios Kosmopoulos,
CERN,
4:00pm
–
5:00pm
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