Homepage of Craig Kohne

Email: kohnec@math.mcmaster.ca

Ph.D. in Mathematics (2024, McMaster University).

Currenty teaching:

  • MATH 1AA3 - Calculus for Science II (Winter 2025).
  • MATH 1B03 - Linear Algebra 1 (Spring 2025).

    • Research

    Interests: Commutative algebra, linear algebra, linear programming, combinatorics.

    My Ph.D. thesis: Monomial ideals with a prescribed Waldschmidt constant - Completed under the supervision of Adam Van Tuyl and Antoine Deza.

    My Master's thesis: Computing the intersection of regular Hessenberg varieties with Schubert cells - completed under the supervision of Megumi Harada

    Papers

  • On the Waldschmidt constant of square-free principal Borel ideals Proceedings of the American Mathematical Society 150 (2022), 4145-4157 2022

  • Powers of Principal Q-Borel ideals. Canadian Mathematical Bulletin, 23 August 2021 pp 1-20.

  • Betti numbers of toric ideals of graphs: A case study (arXiv link) Journal of Algebra and its Applications 18 (2019) 1950226. 14pp.

    • Teaching

    I am currently the instructor for:

  • MATH 1AA3 (Calculus for Science II) Winter 2025.

    • I was course coordinator and instructor for:

  • MATH 2LA3 (Applied Linear Algebra) Summer 2023. MATH 2LA3 Summer 2023 Course page
  • MATH 2LA3 (Applied Linear Algebra) Summer 2022. MATH 2LA3 Summer 2022 Course page
  • MATH 2LA3 (Applied Linear Algebra) Summer 2021. You can see some of the pre-recorded lectures here: MATH 2LA3 Youtube channel

    • I was the tutorial instructor for:

  • MATH 2LA3 (Applied Linear Algebra) Winter 2022
  • MATH 2LA3 (Applied Linear Algebra) Fall 2021
  • MATH 1B03 (Linear Algebra I) Winter 2021
  • MATH 1B03 (Linear Algebra I) Fall 2020
  • MATH 1B03/1ZC3 (Engineering Mathematics II-B) Winter 2020
  • MATH 1K03 (Calculus for Humanities and Social Sciences) Fall 2019

    • MATH 1K03 Midterm 3 Review

    MATH 1K03 Final Review

    MATH 1B03/1ZC3 Tutorial information

    MATH 1ZC3 (Winter 2023) April 25 Misc Notes

    MATH 1ZC3 Sample Exam Notes