# UBC Number theory seminar

Welcome! This site is the homepage of the UBC Number Theory Seminar.

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Starting September 15, 2021, the weekly seminar will be held online (via Zoom) on Wednesday at 3:00PM. This will be followed by informal discussion with the speaker. If you happen to be on campus, you are also welcome to attend the seminar in Room 126, which can accommodate approximately 18 people with space.

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If you have any questions, please contact Debanjana Kundu or Anwesh Ray.

UBC is located on the traditional, ancestral, and unceded territory of the xÊ·mÉ™θkÊ·É™yÌ“É™m (Musqueam) First Nation.

Sept. 15, 3-4pm

Sept. 22, 3-4pm

##### Heegner points and generalized Kato classes (slides)

Francesc Castella (UC Santa Barbara)

Sept. 29, 3-4pm

##### Iwasawa Invariants of Modular Forms with a_p=0

Rylan Gajek-Leonard (UMass Amherst)

Oct 6, 3-4pm

Oct 13, 3-4pm

##### Counting elliptic curves with rational N-isogeny

Soumya Sankar (Ohio State University)

Oct 20, 3-4pm

##### Monogenic fields with odd class number

Antane Siad (IAS/Princeton)

Oct 27, 3-4pm

##### Approaching Hilbert's Tenth problem for rings of integers of number fields through Iwasawa theory

Natalia Garcia-Fitz (Pontificia Universidad Católica de Chile)

Nov 3, 3-4pm

##### No seminar (Midterm break)

Nov 10

##### The number of directions determined by a Cartesian product in the affine Galois plane

Ethan White (UBC) and Chi-Hoi (Kyle) Yip (UBC)

Nov 17, 3-4pm

##### A Conjecture of Rubin

Ashay Burungale (Caltech/UT Austin)

Nov 24, 3-4pm

Dec 1, 3-4pm

Dec 8, 3-4pm

##### TBA

TBA

March 2, 3-4pm