Christopher O'Neill
Research
Teaching
Advising
Talks
CV
SDSU Mathematics REU
SGPs Research Seminar
Recommendation Letter Requests
What is a Numerical Semigroup?
What is the Kunz Polyhedron?
The Chicken McNugget Semigroup!
Contact
cdoneill «at» sdsu.edu
GMCS Building, Room 570
Math & Stats Department
San Diego State University
5500 Campanile Dr
San Diego, CA 92182
U.S.A.
Teaching
Fall 2025 MATH 245 Discrete Mathematics
Spring 2025 -- Sabbatical --
Fall 2024 -- Sabbatical --
Spring 2024 MATH 579 Combinatorics
Fall 2023 MATH 320 Abstract Algebra
Spring 2023 MATH 579 Combinatorics
Fall 2022 MATH 522 Number Theory
Spring 2022 MATH 579 Combinatorics
MATH 621 Combinatorial Commutative Algebra
Fall 2021 MATH 596 Discrete Geometry
MATH 620 Groups, Rings, and Fields
Spring 2021 MATH 522 Number Theory
MATH 621 Algebraic Topology
Fall 2020 MATH 579 Combinatorics
MATH 620 Groups, Rings, and Fields
Spring 2020 MATH 621 Combinatorial Commutative Algebra
Fall 2019 MATH 579 Combinatorics
MATH 620 Groups, Rings, and Fields
Spring 2019 MATH 320 Abstract Algebra
MATH 596 Topics Course: Semigroups and Combinatorics
Fall 2018 MATH 320 Abstract Algebra
Winter 2018 MATH 16B Short Calculus II (UC Davis)
MATH 148 Discrete Mathematics (UC Davis)
Fall 2017 MATH 16A Short Calculus I (UC Davis)
Spring 2017 MATH 16B Short Calculus II (UC Davis)
Winter 2017 MATH 148 Discrete Mathematics (UC Davis)
Fall 2016 MATH 21B Calculus II (UC Davis)
Spring 2016 MATH 152 Engineering Calculus II (Texas A&M)
MATH 485 Directed Study: Topics in Combinatorics (Texas A&M)
Fall 2015 MATH 431 Structures and Methods of Combinatorics (Texas A&M)
Spring 2015 MATH 152 Engineering Calculus II (Texas A&M)
Fall 2014 MATH 302 Discrete Mathematics (Texas A&M)
Fall 2013 MATH 106L Calculus and Functions II (Duke)
Spring 2013 MATH 106L Calculus and Functions II (Duke)
Fall 2011 MATH 25L Calculus and Functions I (Duke)
Fall 2010 MATH 25L Calculus and Functions I (Duke)