Dr. Katrina Honigs

Assistant Professor
Office: SC K 10506
Email address: khonigs "at" sfu "dot" ca
Office hours: Wed. 10:30-11:20, Thurs. 11:30-12:20
Curriculum Vitae

I work on the unceded traditional territories of the Coast Salish peoples, including the səl̓ilw̓ətaʔɬ (Tsleil-Waututh), kʷikʷəƛ̓əm (Kwikwetlem), Sḵwx̱wú7mesh Úxwumixw (Squamish) and xʷməθkʷəy̓əm (Musqueam) Nations.

Teaching:

During the Spring 2023 semester, I am teaching Math 240, MWF 11:30-12:20,C9000

• All course information will be on canvas.

Upcoming Event:

• Mathematics Research Community: Derived Categories, Arithmetic and Geometry, to run June 4-10, 2023. More information and registration will be available here

Upcoming Talks:

• Canadian Western Algebraic Geometry Symposium, SFU, March 18-19, 2023
• A note on travel availability: I cannot travel to any states or countries where I could be denied life-saving medical care or face criminal charges for a normal medical event.

Materials from from past talks, organizing:

• FRG Workshop: Derived Categories and Moduli Spaces, Cornell University, April 30, 2022: Video of my talk
• Meet an SFU Scientist, April 27, 2022: The slides from my talk
• Summer School, Summer 2021: "PRIMA 2021 Summer School: Rational curves and moduli spaces in arithmetic geometry". Lectures, course notes and worksheets are available here. Lectures are also hosted on mathtube.org.

Papers:

• Groups of symplectic involutions on symplectic varieties of Kummer type and their fixed loci arxiv
  With Sarah Frei.
• A transcendental Brauer-Manin obstruction to weak approximation on a Calabi-Yau threefold arxiv
  With Sachi Hashimoto, Alicia Lamarche and Isabel Vogt. Res. Number Theory 8 (2022)
• Rational points and derived equivalence arxiv
  With Nick Addington, Ben Antieau and Sarah Frei. Compos. Math. 157 (2021) 1036--1050
• Fourier--Mukai partners of Enriques and bielliptic surfaces in positive characteristic arxiv
  With Max Lieblich and Sofia Tirabassi. Math. Res. Lett. 28 (2021) 65--91
• Derived equivalences of canonical covers of hyperelliptic and Enriques surfaces in positive characteristic arxiv
  With Luigi Lombardi and Sofia Tirabassi. Math. Z. 146 (2020) 727--749
• Derived equivalence, Albanese varieties, and the zeta functions of 3-dimensional varieties. arxiv
  Appendix with Jeff Achter, Sebastian Casalaina-Martin, and Charles Vial. Proc. Amer. Math. Soc. 146 (2018), 1005--1013
• Derived equivalent surfaces and abelian varieties, and their zeta functions. arxiv
  Proc. Amer. Math. Soc. 143 (2015), 4161--4166
• Missing edge coverings of bipartite graphs and the gometry of the Hausdorff metric pdf.
  J. Geom. 104 (2013) 107--125
  (Relates to work I did at the REU at GVSU)

Dissertation:

• Derived equivalent varieties and their zeta functions, PhD thesis, UC Berkeley, Spring 2015

Some course materials from past teaching:

• In Fall 2022, I taught Math 818 at SFU. The course webpage is here
• In Summer 2018, I taught Math 6080 at the University of Utah. The course webpage is here
• In Spring 2018, I taught Math 5320 at the University of Utah. The course webpage is here

Expository:

• Definitions of the multiplicative group and group objects in categories pdf.
• Coherence theorems in two-dimensional category theory pdf. This summary article was my Part III essay.

Other:

Several years ago, I met Alexander Grothendieck. I wrote an essay about it linked here. An abridged version of this essay appeared in Vol. 63, No. 3 of Notices.