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Scheduled Maintenance 3/28/25 - 3/30/25. Some functionality will be unavailable during this time. For more information, click here.

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Mar 28, 2025
Mar 31, 2025

Mar 31, 2025

2:30 PM - 3:20 PM

The Diffeomorphism Field and Vanishing Hamiltonians in Quantum Gravity Salvatore Quaid Canonical quantization of gravitational theories such as general relativity and string theory both suffer from vanishing Hamiltonians. Although not detrimental to a theory, the recurring presence of such a constraint leads to questions in the interpretations of quantum gravity. It can be shown that R-squared gravitational terms may ease these constraints. However, as seen with the Effective Polyakov acti...

Apr 1, 2025

Apr 1, 2025

1:30 PM - 2:20 PM

The Local Operator Moment Problem on R Professor Raúl Curto, PhD We study the connections between operator moment sequences T={T_1,T_2, ...}  of self-adjoint operators on a complex Hilbert space, H,  and the local moment sequences (Tx,x)={ (T_1x,x),(T_2x,x) ...} for arbitrary x in H.  We provide necessary and sufficient conditions for solving the operator moment problem on the real line, R, and we show that these criteria are automatically valid on compact subsets of R. Applications of the...

Apr 2, 2025

Apr 2, 2025

3:00 PM - 4:00 PM

The James Webb Space Telescope: History, Prospects, and Preliminary Successes Assistant Professor David Nataf, PhD

Apr 4, 2025

Apr 4, 2025

8:00 PM - 10:00 PM

Please join the University of Iowa Physics & Astronomy Department as we use the Van Allen Observatory and small telescopes to tour the spring sky. To attend this Astronomy observation session, follow the signs in Van Allen Hall to the east elevator to reach the roof.  Individuals with disabilities are encouraged to attend all University of Iowa–sponsored events. If you are a person with a disability who requires a reasonable accommodation in order to participate in this program, please con...

Apr 18, 2025

Apr 18, 2025

8:00 PM - 10:00 PM

Please join the University of Iowa Physics & Astronomy Department as we use the Van Allen Observatory and small telescopes to tour the spring sky. To attend this Astronomy observation session, follow the signs in Van Allen Hall to the east elevator to reach the roof.  Individuals with disabilities are encouraged to attend all University of Iowa–sponsored events. If you are a person with a disability who requires a reasonable accommodation in order to participate in this program, please con...

Apr 22, 2025

Apr 22, 2025

12:00 PM - 1:00 PM

Get ahead on your research skills! These workshops are designed for graduate students and faculty but also open to undergraduates.  What’s the best way to organize your research files so you, or you and your collaborators, can find what you need when you need it? What are best practices for naming files?  What is a README and why is it important? Attendees will come away with practical skills and tips for organizing research data in a way that is navigable across files and folders.  Come to...

May 2, 2025

May 2, 2025

8:00 PM - 10:00 PM

Please join the University of Iowa Physics & Astronomy Department as we use the Van Allen Observatory and small telescopes to tour the spring sky. To attend this Astronomy observation session, follow the signs in Van Allen Hall to the east elevator to reach the roof.  Individuals with disabilities are encouraged to attend all University of Iowa–sponsored events. If you are a person with a disability who requires a reasonable accommodation in order to participate in this program, please con...

May 16, 2025

May 16, 2025

8:00 PM - 10:00 PM

Please join the University of Iowa Physics & Astronomy Department as we use the Van Allen Observatory and small telescopes to tour the spring sky. To attend this Astronomy observation session, follow the signs in Van Allen Hall to the east elevator to reach the roof.  Individuals with disabilities are encouraged to attend all University of Iowa–sponsored events. If you are a person with a disability who requires a reasonable accommodation in order to participate in this program, please con...