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April 2025

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Thursday, April 17th, 2025
2:45pm – 3:45pm
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Algebra and Geometry Seminar

Linde Hall 187
Moduli spaces of curves with polynomial point count
Hannah Larson, Department of Mathematics, UC Berkeley,
3:00pm – 7:00pm
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KISS Showcase and Caltech/JPL Networking Mixer

Chen 100
  • Public Event
4:00pm – 5:00pm
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Algebra and Geometry Seminar

Linde Hall 187
Gram Matrices for Isotropic Vectors
Bernd Sturmfels, Department of Mathematics, UC Berkeley,
4:00pm – 5:00pm
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Geology Club Seminar

Arms 151 (Buwalda Room)
Messinian flash floods & Mediterranean Gateway changes detected by plant biomarkers along the S Iberian Margin
Sarah Feakins, Professor of Earth Science, Department of Earth Sciences, University of Southern California,
4:00pm – 5:30pm
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History Seminar

Dabney Hall 110 (Treasure Room)
American Dark Age: Racial Feudalism and the Rise of Black Liberalism
Keidrick Roy, Junior Fellow, Harvard Society of Fellows,
4:00pm – 5:00pm
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Medical Engineering Distinguished Seminar, Samuel Achilefu

Annenberg 105
Convergence of multi-spectral radiation for cancer detection and therapy
Samuel Achilefu, Ph.D., Professor & Chair, Department of Biomedical Engineering, Biomedical Engineering, University of Texas Southwestern Medical Center,
4:00pm – 5:00pm
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Number Theory Seminar

Linde Hall 387
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,
4:00pm – 5:00pm
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Social Sciences History Seminar

Baxter B125
Medieval Markets and Migration: Paris c. 1300
Nathan Sussman, Full Professor, International Economics & Pictet Chair in Finance and Development, Geneva Graduate Institute,
Friday, April 18th, 2025
8:00am – 5:00pm
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Last Day for Adding Courses and Removing Conditions and Incompletes

10:00am – 11:15am
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Science Journey - Nature's Tango: How Insects Dance for Survival

Beckman Auditorium
  • Public Event
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
David Poland, Yale University,
12:00pm – 1:00pm
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Center for Social Information Sciences (CSIS) Seminar

Baxter 127
Topic to be announced
Marciano Siniscalchi, Professor of Economics, Northwestern University,
12:00pm – 1:00pm
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Graduate Student Affinity Space

Center for Student Services, 2nd Floor, Common Area
12:00pm – 1:00pm
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IQIM Postdoctoral and Graduate Student Seminar

East Bridge 114
Frank Verstraete, University of Ghent, University of Cambridge,
1:45pm – 5:00pm
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The Second Annual Bill Gross Business Plan Competition

Chen 100
  • Internal Event
2:15pm – 3:15pm
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TAPIR Seminar

Online and In-Person Event
Performance-Portable Numerical Relativity with AthenaK and Applications
Hengrui Zhu, Graduate Student, Department of Physics, Princeton University,
3:00pm – 4:00pm
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Geometry and Topology Seminar

Linde Hall 187
Tight contact structures on Seifert fibrations
Hyunki Min, Department of Mathematics, UCLA,
4:00pm – 5:00pm
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CGSC Industry Seminar

Gates Annex B122
Why So Many Ways to Die?
Dr. Vishva Dixit, Vice President, Physiological Chemistry, Genentech,
4:00pm – 5:00pm
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Inorganic-Organometallics Seminar

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
Nathan Friede, Graduate Student (Reisman Research Group), Department of Chemistry, Caltech,
6:00pm – 10:00pm
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CPA Comedy Night

Dabney Hall, Lounge
7:00pm – 9:00pm
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▶︎ Caltech Tai Chi Club - Free Tai Chi Class

Hameetman Center 220 - Multipurpose Room
Saturday, April 19th, 2025
1:00pm – 5:00pm
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The Caltech Jazz Festival

Hameetman Center Patio
  • Public Event
Monday, April 21st, 2025
11:00am – 1:00pm
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Community Garden Composting

12:00pm – 1:00pm
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Informal Seminar - Lionel Christiaen,

Chen 130
Regulation of deterministic development
Lionel Christiaen, Director and Group Leader, Michael Sars Centre, University of Bergen,
12:00pm – 1:00pm
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RSI Research Seminar

Resnick Sustainability Center 120
A Digital Twin of the Electrical Distribution Grid
Yiheng Xie, Graduate Student, Low Group, Computing and Mathematical Sciences,
12:00pm – 1:00pm
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RSI Research Seminar

Resnick Sustainability Center 120
12:00pm – 1:15pm
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Understanding & Responding to Microaggressions & Bias 101

Center for Student Services, 2nd Floor, Common Area
1:00pm – 2:30pm
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Transforming Your Research Into Teaching for Postdocs

Center for Student Services 360 (Workshop Space)
3:00pm – 4:00pm
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2025 Undergraduate Research Week | Student-Mentor Coffee Hour

Cafe at Broad
  • Public Event
4:00pm – 5:00pm
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Geological and Planetary Sciences Seminar

Arms 155 (Robert P. Sharp Lecture Hall)
Metasomatic diamond-forming fluids in the lithospheric mantle - sources and ages
Yaakov Weiss, Senior Lecturer Institute of Earth Sciences, The Fredy and Nadine Herrmann, The Hebrew University of Jerusalem,
4:00pm – 5:00pm
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H.B. Keller Colloquium

Annenberg 105
Mathematics of magic angles in 2D structures
Maciej Zworski,, Professor of Mathematics, University of California, Berkeley,
7:00pm – 9:00pm
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▶︎ Caltech Tai Chi Club - Free Tai Chi Class

Hameetman Center 220 - Multipurpose Room
7:00pm – 8:00pm
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James Michelin Distinguished Visitors Program

Dabney Hall, Lounge
Poetry Reading and Discussion
Jenny Factor, Lecturer in Poetry, Caltech,
  • Public Event
Tuesday, April 22nd, 2025
All Day
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Caltech Giving Day: A Day to Give Back, Celebrate, and Engage

Online Event
  • Public Event
10:00am – 1:00pm
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Caltech Common Threads Initiative

Hameetman Center 206 - Frautschi Rehearsal Hall
11:00am – 1:00pm
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Earth Day Resource Fair

San Pasqual Walk
12:00pm – 1:00pm
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APACT Par-Tea with Sylvia Lee

Chen 130
  • Internal Event
12:00pm – 1:00pm
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Biology Seminar - Jonathan Weissman

Chen 100
Epigenetic engineering as a tool for discovery and therapeutics.
Jonathan Weissman, Professor, Biology, MIT,
12:00pm – 1:00pm
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CMX Lunch Seminar

Annenberg 213
TBA
Yuqing Wang, Postdoctoral Scholar Research Associate, AMS, Johns-Hopkins University,
12:00pm – 2:00pm
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Earth Day

Center for Student Services, Large Tent
4:00pm – 5:00pm
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Geological and Planetary Sciences Seminar

Arms 155 (Robert P. Sharp Lecture Hall)
Exploring New Frontiers in Planetary Science: From Magma Oceans to Liquid-Water Worlds
Renyu Hu, Research Scientist V, Jet Propulsion Laboratory,
4:00pm – 5:00pm
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Seminar on History and Philosophy of Science

Dabney Hall 110 (Treasure Room)
On Plausible Counterfactual Explanations in XAI
Jiji Zhang, Professor of Philosophy and Associate Dean (Research), Faculty of Arts, The Chinese University of Hong Kong,
4:00pm – 5:00pm
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Ulric B. and Evelyn L. Bray Social Sciences Seminar

Baxter B125
The Declarations of Independents: Open-Ended Survey Responses and the Nature of Non-Identification
Paul Kellstedt, Professor, Department of Political Science, Bush School of Government and Public Service, Texas A&M University,
4:00pm – 5:00pm
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W. N. Lacey Lectureship in Chemical Engineering

Gates Annex B122
Ionic Compatibilization of Plastics to Reduce Environmental Impacts (general lecture)
Rachel Segalman, Edward Noble Kramer Professor, Department of Chemical Engineering, UC Santa Barbara,
5:30pm – 7:00pm
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im cooked, now what? (casual conversation with dinner)

7:30pm – 9:00pm
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Movies That Matter presents "Nuclear Now"

Ramo Auditorium
  • Public Event
Wednesday, April 23rd, 2025
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
Hare Krishna, University of Texas, Austin,
11:00am – 1:00pm
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Plant-Based Food Sampling

San Pasqual Walk
12:00pm – 1:00pm
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2025 Undergraduate Research Week | What Does Academic Year Research Look Like at Caltech?

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
  • Public Event
12:45pm – 1:45pm
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Bystander Intervention Training

Chen 100
2:00pm – 4:00pm
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Ignite Your Teaching (AI Edition): Ideas and Practices You Can Use

Guggenheim 133 (Lees-Kubota Lecture Hall)
2:00pm – 3:00pm
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Organic Chemistry Seminar

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
Anaerobic Heteroatom Transfer Reactions Promoted by Photoexcited 1,3-Dipoles
Marvin Parasram, Assistant Professor, Department of Chemistry, New York University,
  • Internal Event
3:00pm – 4:15pm
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Lab Safety Orientation Training

Online Event
4:00pm – 5:00pm
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ASTRONOMY COLLOQUIUM (Neugebauer Lecture)

Cahill, Hameetman Auditorium
TBD
Jonas Zmuidzinas, Merle Kingsley Professor of Physics, California Institute of Technology,
4:00pm – 5:00pm
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Environmental Science and Engineering Seminar

South Mudd 365
David Battisti, University of Washington,
4:00pm – 5:00pm
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Materials Science Research Lecture

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
Conformal invariance in strange metals
Peter Abbamonte, Professor, Engineering, UIUC,
4:00pm – 5:00pm
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Ulric B. and Evelyn L. Bray Social Sciences Seminar

Baxter B125
Topic to be announced
Livio Di Lonardo, Assistant Professor, Department of Social and Political Sciences, Bocconi University,
4:00pm – 5:00pm
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W. N. Lacey Lectureship in Chemical Engineering

Gates Annex B122
Using Bioinspired Polypeptoids to Understand How Chain Shape Influences Self-assembly and to Design New Photoresists (technical lecture)
Rachel Segalman, Edward Noble Kramer Professor, Department of Chemical Engineering, UC Santa Barbara,
5:00pm – 6:30pm
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First Gen Dinner Party

Off Campus
7:30pm – 8:30pm
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Watson Lecture - Smruthi Karthikeyan: The Secret Life of Superbugs: How Antimicrobial Resistance Moves Between Humans and the Environment

Beckman Auditorium
  • Public Event
Thursday, April 24th, 2025
10:30am – 12:00pm
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Campus History & Architectural Tour

Athenaeum
  • Public Event
11:00am – 12:00pm
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Mechanical and Civil Engineering Seminar

Gates-Thomas 135
Illuminating the complex mechanics of a simple breath
Mona Eskandari, Assistant Professor, Department of Mechanical Engineering and the School of Medicine's multidisciplinary BREATHE Center, University of California, Riverside,
3:00pm – 4:00pm
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TA Office Hour

Center for Student Services 360 (Workshop Space)
4:00pm – 5:00pm
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Geology Club Seminar

Arms 151 (Buwalda Room)
4:00pm – 5:00pm
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Physics Colloquium - Christy Lecture

Online and In-Person Event
The Growing Danger of Nuclear Weapons: What You Can Do
Fred Lamb, UIUC,
5:00pm – 7:30pm
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Three Minute Thesis (3MT) Competition 2025

Friday, April 25th, 2025
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
TBA
Ho Tat Lam, Massachusetts Institute of Technology,