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Wednesday, April 29th, 2026
8:00am – 5/5 11:59pm
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Midterm Examination Period

Saturday, May 2nd, 2026
7:30pm – 10:30pm
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A Midsummer Night's Dream

Ramo Auditorium
Sunday, May 3rd, 2026
2:00pm – 5:00pm
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A Midsummer Night's Dream

Ramo Auditorium
Monday, May 4th, 2026
2:00pm – 3:00pm
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CAIA Stanford Speaker Event

Chen 100
2:00pm – 3:00pm
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Special Biochemistry Seminar - Stephen Long (Sloan Kettering)

Gates Annex B122
Structure, Ca2+-dependent regulation, and ion selectivity of the mitochondrial calcium uniporter
Stephen B. Long, Professor, Structural Biology Program, Sloan Kettering Institute,
3:00pm – 4:00pm
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Math Teaching Seminar

Linde Hall 359
Numerical differential geometry and machine learning; solving geometric PDEs motivated by string theory
Justin Tan, PhD Student, Department of Computer Science and Technology, Cambridge University,
3:45pm – 4:45pm
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Inorganic-Electrochemistry Seminar

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
Structure and function of copper membrane monooxygenases
Amy Rosenzweig, Professor, Department of Chemistry, Northwestern University,
4:00pm – 5:00pm
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Astronomy Tea Talk

Cahill 370
Characterizing High-Redshift Sources with Optical Emission Line Ratios
Nikko Cleri, Eberly Postdoctoral Fellow, Penn State University,
4:00pm – 5:00pm
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Geological and Planetary Sciences Seminar

Arms 155 (Robert P. Sharp Lecture Hall)
"From gas dwarfs to rocky worlds: The compositional evolution of low mass planets."
Robin Wordsworth, Gordon McKay Professor of Environmental Science and Engineering, Professor of Earth and Planetary Sciences, Co-Director of Graduate Studies, Department of Earth and Planetary Sciences, Harvard University,
4:00pm – 5:00pm
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H.B. Keller Colloquium

Annenberg 105
Low-Dimensional Generation
Nisha Chandramoorthy, Assistant Professor, Department of Statistics, The University of Chicago,
4:00pm – 5:00pm
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High Energy Physics Seminar

Online and In-Person Event
Uncool soft-wall phase transitions and gravitational waves
Ameen Ismail, University of Chicago,
4:00pm – 5:00pm
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High Energy Physics Seminar

Online and In-Person Event
TBA
Ameen Ismail, University of Chicago,
Tuesday, May 5th, 2026
10:30am – 11:30am
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PhD Thesis Defense

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
Bioinspired Microfluidic Wearable Sensors for Continuous Sweat Sampling and Metabolic Monitoring
Soyoung Shin, Graduate Student, Chemical Engineering (Gao Lab), Caltech,
12:00pm – 1:00pm
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BBE Division Seminar - Krishna Shrinivas

Broad 100
Gene regulation and decision-making: Exploring the role of biomolecular condensates
Krishna Shrinivas, Assistant Professor, Chemical and Biological Engineering and (by courtesy) Engineering Sciences and Applied Mathematics and Cell and Developmental Biology, Northwestern University,
12:00pm – 1:00pm
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CMX Lunch Seminar

Annenberg 213
An approximation-theoretic tour of measure-to-measure operator learning
Nicholas Nelsen, Klarman Fellow, Department of Mathematics, Cornell University,
2:00pm – 3:00pm
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PhD Thesis Defense

Spalding Laboratory 106 (Hartley Memorial Seminar Room)
Towards the Enzymatic Mineralization of Siloxanes
Ryen O'Meara, Graduate Student, Chemical Engineering (Arnold Lab), Caltech,
2:30pm – 3:30pm
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PhD Thesis Seminar

Crellin 151
Infrared Action Spectroscopy of Biomolecules for Planetary Science Applications
Tyler Nguyen, Graduate Student, Chemistry, Caltech,
3:00pm – 4:00pm
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CTLO - Faculty Learning Community Workshop

Center for Student Services, 3rd Floor, Brennen Conference Room
4:00pm – 5:00pm
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Chemical Physics Seminar

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
Kang-Kuen Ni, Theodore William Richards Professor of Chemistry and Professor of Physics, Departments of Chemistry and Chemical Biology and of Physics, Harvard University,
4:00pm – 6:00pm
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CPA Book Club - Transcendent Kingdom by Yaa Gyasi

4:00pm – 5:00pm
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DIX Planetary Science Seminar

South Mudd 365
"Rapid Planet Formation in the Protoplanetary Disk Snowband" & "Radiolyzed Cryogenic Carbonates as Potential CO₂ Reservoirs on Europa"
Tony Yap & Ashma Pandya, Graduate Student, Division of Geological and Planetary Sciences, Caltech,
4:00pm – 6:00pm
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Presidential Distinguished Speaker Series: Martin Chalifour

Athenaeum
4:00pm – 5:00pm
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Ulric B. and Evelyn L. Bray Social Sciences Seminar

Baxter B125
Information and the Politics of School Quality: Evidence from a Nationwide Reform in Brazil
Claudio Ferraz, Professor of Economics, University of British Columbia,
7:00pm – 9:00pm
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Caltech Tai Chi Club - Free Tai Chi Class

Hameetman Center 220 - Multipurpose Room
Wednesday, May 6th, 2026
10:00am – 11:00am
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PhD Thesis Defense

Spalding Laboratory 106 (Hartley Memorial Seminar Room)
Efficient Evaluation of Coulomb Interactions for Large-Scale Quantum Chemistry
Rui Li, Graduate Student, Chemistry (Chan Group), Caltech,
11:00am – 12:00pm
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Election Science Office Hours

Online Event
The Pioneer's Perspective: Three Decades of Protecting the California Voter with Kim Alexander
Kim Alexander, President & Founder, California Voter Foundation,
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Soft Algebras in AdS4 from Lightray Operators in CFT3
Ahmed Sheta, Harvard University,
12:00pm – 1:15pm
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Inclusive Leadership 201

Online Event
12:00pm – 1:00pm
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Logic Seminar

Online Event
Condensed Sets and the Solovay Model
Nathaniel Bannister, PhD Student, Department of Mathematics, Carnegie Mellon University,
12:00pm – 1:00pm
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Seismo Lab Brown Bag Seminar

South Mudd 254
Dr. Elizabeth Cochran, Research Geophysicist, USGS,
3:00pm – 5:00pm
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Biosafety - Comprehensive Training

Online Event
3:00pm – 4:00pm
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Information, Geometry, and Physics Seminar

Linde Hall 310
Maximum information divergence from linear and toric models
Yulia Alexandr, Postdoc, Department of Mathematics, UCLA,
4:00pm – 5:00pm
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Astronomy Colloquium: Biard Lecture

Cahill, Hameetman Auditorium
The Swiftly Mission: Swift Lift in a Year
Brad Cenko, Research Astrophysicist, Department of Astronomy, NASA,
4:00pm – 5:00pm
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Environmental Science and Engineering Seminar

South Mudd 365
Global Stratospheric Methane Loss from Satellite Observations
Qiang Fu, Calvin Professor of Atmospheric and Climate Science, University of Washington,
4:00pm – 5:00pm
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Materials Science Research Lecture

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
Chirality and Topology of Collective Excitations: From Altermagnets to Chiral Crystals
Chen Li, Associate Professor, Mechanical Engineering and Materials Science and Engineering, UC Riverside,
4:00pm – 5:00pm
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Organic Chemistry Seminar

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
Programmable Syntheses of Polycyclic Natural Products via a Polyfunctional Intermediate Approach
Pengfei Hu, Professor, Department of Chemistry, Westlake University,
5:00pm – 8:00pm
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CPA Social - Cool Ales

Chen Breezeway
5:30pm – 7:00pm
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Dr. Alice Huang: How I became an American

Caltech Hall 9th Floor
Thursday, May 7th, 2026
10:00am – 1:00pm
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Caltech Purchasing Vendor Fair 2026

San Pasqual Walk
10:00am – 11:30am
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Future Faculty Workshop Series: Teaching Statement Workshop

Center for Student Services 360 (Workshop Space)
11:00am – 12:00pm
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Astronomy Special Seminar

Cahill 370
Deflection to Flexion: Three Centuries of Gravitational Lensing
Zach Scofield, PhD Student, Yonsei University (Seoul, South Korea),
11:00am – 12:00pm
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Mechanical and Civil Engineering Seminar

Gates-Thomas 135
No Small Measure: Using Nanostructure to Create Materials with Superior Toughness
Lucas Meza, Assistant Professor of Mechanical Engineering, Department of Mechanical Engineering, University of Washington,
12:00pm – 1:30pm
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EVOxZankou Seminar

Chen 130
"The rise of ants: a lens for understanding the modern biosphere" and "Modeling time and space in the emergence of new dialects"
Joe Parker, BBE, Caltech,
Felicity Meakins, Professor, School of Languages and Cultures, University of Queensland,
12:05pm – 1:00pm
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Observational Cosmology Seminar

Cahill 370
Observations of Atmospheric Helium and Oxygen with SPHEREx
Ryan Wills, PhD Researcher, Astrophysical Sciences and Technology, Rochester Institute of Technology,
12:15pm – 1:00pm
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Fellowships Advising Information Session - Fulbright

1:00pm – 2:30pm
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Medicare 101 Presentation

Online Event
3:00pm – 4:00pm
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Analysis Seminar

Online Event
Inverse cascades in the Navier-Stokes equations
,
Stan Palasek, Veblen Fellow, Department of Mathematics, Princeton University and IAS,
4:00pm – 5:00pm
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2026 McConnell Lecture

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
The Essentiality of Solution NMR Spectroscopy in the Post-AlphaFold Era
Lewis E. Kay, Professor, Department of Molecular Genetics, Biochemistry, and Chemistry, University of Toronto,
4:00pm – 5:00pm
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MedE Distinquished Seminar Series, Adam Cohen

Annenberg 105
Mapping brain dynamics across scales
Adam Cohen, Professor of Chemistry and Chemical Biology and of Physics, Harvard University,
4:00pm – 5:00pm
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Number Theory Seminar

Linde Hall 387
Exactness property of Breuil-Kisin functors \& Bloch-Kato Selmer groups
Evangelia Gazaki, Associate Professor, Department of Mathematics, University of Virginia,
4:00pm – 5:00pm
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Physics Colloquium

Online and In-Person Event
The Quantum Twisting Microscope: Visualizing Waves in Quantum Matter
Shahal Ilani, Professor of Physics, Condensed Matter Physics, Weizmann Institute of Science,
4:00pm – 5:30pm
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Women in STEM Affinity Space

Center for Student Services, 2nd Floor, Common Area
7:00pm – 9:00pm
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Caltech Connect Training for Students (Joint Session)

Downs 269
Friday, May 8th, 2026
9:30am – 11:30am
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Dia de las Madres

Center for Student Services, Large Tent
10:00am – 2:00pm
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Professional Thrift Day and FREE Headshots

Olive Walk
10:15am – 11:15am
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PhD Thesis Defense

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
Efficient Synthetic Transformations Enabled by Group X Catalysis
Kimberly Sharp, Graduate Student, Chemistry (Stoltz Group), Caltech,
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Modular flow in a large holographic code
Xi Dong, UC Santa Barbara,
12:00pm – 1:30pm
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Green Labs May 2026 Meeting

12:00pm – 1:00pm
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IQIM Postdoctoral and Graduate Student Seminar

East Bridge 114
Fault-Tolerant Computation with Rotated 4D Toric Codes
Dave Aasen, Microsoft Station Q,
2:00pm – 3:00pm
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Geometry and Topology Seminar (1/2)

Linde Hall 310
TBD
Sam Looi, Postdoc, Department of Mathematics, Caltech,
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Two complementary approaches to gravitational-wave data analysis
Chiara Anselmo, Graduate Student, Department of Physics, University of Milano-Bicocca (TAPIR VSR - 4/13/26-7/13/26),
3:00pm – 4:00pm
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Geometry and Topology Seminar (2/2)

Linde Hall 310
Curvature-homogeneous 4-manifolds
Renato Ghini Bettiol, Associate Professor, Department of Mathematics, CUNY,
3:00pm – 4:00pm
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Susan and James Wu Aerospace Colloquium

Guggenheim 133 (Lees-Kubota Lecture Hall)
Christoph Brehm, Associate Professor, Aerospace Engineering, University of Maryland,
4:00pm – 5:00pm
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Seismo Lab Seminar

South Mudd 254
Constraints on mantle convection from a massive seismic dataset
Jonathan Wolf, Miller Postdoctoral Fellow, UC Berkeley,
7:00pm – 9:00pm
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Caltech Tai Chi Club - Free Tai Chi Class

Hameetman Center 220 - Multipurpose Room
8:00pm – 9:30pm
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BANDORAMA CONCERTS

Ramo Auditorium
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