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PMA Calendar

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Wednesday, September 23rd, 2026
1:30pm – 2:30pm
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High Energy Theory Seminar

Online and In-Person Event
Enhanced Correlations in Hawking Radiation from Near-Extremal Collapse
Per Kraus, UCLA,
Thursday, September 24th, 2026
12:10pm – 1:00pm
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Observational Cosmology Seminar

Cahill 370
Probing Baryon Feedback with the Sunyaev-Zel'dovich Effects and Weak Lensing
Henry Liu, Graduate student, Department of Physics, UC Berkeley,
Friday, September 25th, 2026
2:00pm – 3:00pm
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Special TAPIR Seminar

Online and In-Person Event
Ringdown from Eccentric Binary Black Hole Coalescences in the Extreme Mass Ratio Regime
Devin Becker, Graduate Student, Kavli Institute, MIT,
Monday, September 28th, 2026
7:30pm – 9:30pm
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Astronomy on Tap

"Black Holes" and "Galaxy Simulations"
Elias Kammoun, Research Scientist, Department of Astronomy, Caltech,
Nicole Sanchez, NSF Postdoctoral Fellow, Department of Astronomy, Caltech,
Wednesday, September 30th, 2026
12:15pm – 1:00pm
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Caltech/IPAC Seminar

IPAC 102 (Large Conference Room)
Sachi Weerasooriya, Carnegie Observatories,
Friday, October 2nd, 2026
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
Riccardo Penco, Carnegie Mellon University,
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Signatures of Black Hole Spin and Plasma Acceleration in Jet Polarimetry
Zachary Gelles, Graduate Student, Department of Physics, Princeton University,
Monday, October 5th, 2026
1:30pm – 2:30pm
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High Energy Theory Seminar

Online and In-Person Event
Alternative AdS Boundary Conditions and Their Implications
Xingkang Wang, University of Chicago,
Tuesday, October 6th, 2026
4:00pm – 5:00pm
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Taussky-Todd Memorial Lecture in Mathematics

Linde Hall 310
Stable Homotopy Theory and Supersymmetric Quantum Field Theories
Mayuko Yamashita, Professor of Mathematical Physics, Perimeter Institute for Theoretical Physics,
Wednesday, October 7th, 2026
12:15pm – 1:00pm
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Caltech/IPAC Seminar

IPAC 102 (Large Conference Room)
Coral Wheeler, Cal Poly Pomona,
Friday, October 9th, 2026
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
Jakob Moritz, University of Wisconsin, Madison,
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Importance of accretion disk-driven torques on extreme mass ratio inspirals
Abhishek Hegade, Associate Research Scholar, Department of Physics, Princeton,
7:00pm – 8:30pm
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AIM Public Lecture Series: Terence Tao

Beckman Auditorium
Machine Assisted Proof
Terence Tao, Professor, Department of Mathematics, UCLA,
Monday, October 12th, 2026
1:30pm – 2:30pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
Amartya Sengupta, University at Buffalo,
Tuesday, October 13th, 2026
4:00pm – 5:00pm
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Chemical Physics Seminar

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
L. Robert Baker, Phyllis and Richard Leet Endowed Chair, Department of Chemistry, The Ohio State University,
Wednesday, October 14th, 2026
12:15pm – 1:00pm
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Calltech/IPAC Seminar

IPAC 102 (Large Conference Room)
Christopher Lam, IPAC, Caltech,
Friday, October 16th, 2026
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
Kasia Budzik, Harvard University,
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Title to be announced
Aldana Grichener, Prize Postdoctoral Fellow, Department of Astronomy and Steward Observatory, University of Arizona,
Monday, October 19th, 2026
1:30pm – 2:30pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
Zihan Zhou, Princeton University,
4:00pm – 5:00pm
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Quantum Matter Seminar

East Bridge 114
Ultrafast Optical Excitation of Antiferromagnetic or Inertial Magnons in 2D Magnets
Branislav K. Nikolic, Professor, Department of Physics and Astronomy, University of Delaware,
Wednesday, October 21st, 2026
12:15pm – 1:00pm
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Calltech/IPAC Seminar

IPAC 102 (Large Conference Room)
Ivana Barisic, UC Davis,
Friday, October 23rd, 2026
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Title to be announced
Joheen Chakraborty, Graduate Student, Department of Physics, MIT,
Wednesday, October 28th, 2026
12:15pm – 1:00pm
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Calltech/IPAC Seminar

IPAC 102 (Large Conference Room)
Aliakbar Kavei, UC Riverside,
1:30pm – 2:30pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
Aidan Herderschee, Institute for Advanced Study,
Friday, October 30th, 2026
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Title to be announced
Hengrui Zhu, Graduate Student, Department of Physics, Princeton University,
Monday, November 2nd, 2026
1:30pm – 2:30pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
Gordon Rogelberg, Yale University,
Tuesday, November 3rd, 2026
4:00pm – 5:00pm
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Charles R. DePrima Memorial Lecture in Mathematics

Linde Hall 310
Amanda Folsom, Visiting Professor of Mathematics, Department of Mathematics, Caltech,
Wednesday, November 4th, 2026
12:15pm – 1:00pm
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Calltech/IPAC Seminar

IPAC 102 (Large Conference Room)
Kotomi Taniguchi, NAOJ,
7:30pm – 8:30pm
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Watson Lecture - Katie Bouman: Illuminating the Hidden Universe with Physics and AI

Beckman Auditorium
Katie Bouman, associate professor of computing and mathematical sciences, electrical engineering and astronomy; Rosenberg Scholar; Heritage Medical Research Institute Investigator,
Friday, November 6th, 2026
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Title to be announced
Dang Pham, McCray Postdoctoral Fellow, Department of Astrophysical and Planetary Sciences and JILA, University of Colorado, Boulder,
Wednesday, November 11th, 2026
12:15pm – 1:00pm
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Calltech/IPAC Seminar

IPAC 102 (Large Conference Room)
Valeria Jaramillo, UCLA,
Wednesday, November 18th, 2026
12:15pm – 1:00pm
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Calltech/IPAC Seminar

IPAC 102 (Large Conference Room)
Yasuhiro Hasegawa, JPL,
Thursday, November 19th, 2026
10:30am – 11:30am
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Special TAPIR Seminar

Online and In-Person Event
Title to be announced
Daniel Kennefick, Professor, Department of Physics, University of Arkansas,
,
Friday, November 20th, 2026
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Title to be announced
Daniel Brethauer, Graduate Student, Department of Astronomy, U.C. Berkeley,
Friday, November 27th, 2026
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Title to be announced
Valentin Skoutnev, Postdoctoral Research Scientist, Department of Physics, Columbia University,
Monday, November 30th, 2026
1:30pm – 2:30pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
Andrea Caputo, CERN,
Wednesday, December 2nd, 2026
12:15pm – 1:00pm
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Calltech/IPAC Seminar

IPAC 102 (Large Conference Room)
Kiana Henny, University of Wyoming,
1:30pm – 2:30pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
Innes Bigaran, University of Tennessee, Knoxville,
7:30pm – 8:30pm
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Watson Lecture - Sarkis Mazmanian: Gut-microbiome and brain connection

Beckman Auditorium
Sarkis Mazmanian, Luis B. and Nelly Soux professor of microbiology; Merkin Institute Professor,
Friday, December 4th, 2026
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Title to be announced
Yuri Shprits, Professor, Space Weather and Space Physics, University of Potsdam,
Wednesday, December 9th, 2026
12:15pm – 1:00pm
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Calltech/IPAC Seminar

IPAC 102 (Large Conference Room)
Stela Ishitani Silva, IPAC, Caltech,
Wednesday, December 16th, 2026
12:15pm – 1:00pm
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Calltech/IPAC Seminar

IPAC 102 (Large Conference Room)
Emily Pass, Juan Carlos Torres Fellow, Kavli Institute for Astrophysics and Space Research, MIT,
Friday, January 8th, 2027
12:00pm – 1:30pm
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Green Labs January 2027 Meeting

Wednesday, January 27th, 2027
7:30pm – 8:30pm
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Watson Lecture - Linda Spilker: Explore interstellar space and the solar system

Beckman Auditorium
Friday, February 12th, 2027
12:00pm – 1:30pm
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Green Labs February 2027 Meeting

Wednesday, February 24th, 2027
7:30pm – 8:30pm
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Watson Lecture - Woody Fischer: Earth science, climate and geobiology

Beckman Auditorium
Tuesday, March 2nd, 2027
4:00pm – 5:00pm
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Chemical Physics Seminar

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
Mikael Backlund, Assistant Professor of Chemistry, Department of Chemistry, University of Illinois at Urbana-Champaign,
Friday, March 12th, 2027
12:00pm – 1:30pm
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Green Labs March 2027 Meeting

Wednesday, March 17th, 2027
7:30pm – 8:30pm
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Watson Lecture - Charles Sprenger: Economics and decision-making

Beckman Auditorium
Wednesday, April 7th, 2027
7:30pm – 8:30pm
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Watson Lecture - David Conlon: Mathematics and combinatorics

Beckman Auditorium
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