Edna Jones: Talks

Invited Math Colloquium Talks, Keynote Talks, & Plenary Talks

Here is a list of some of my invited math colloquium talks, keynote talks, and plenary talks.

"On the local-global conjecture for 3-dimensional Kleinian sphere packings," Plenary Talk, Southern Regional Number Theory Conference (SRNTC) (Mar. 29, 2025) [slides]
"Apollonian circle packings, integers, and higher-dimensional sphere packings"
- Colloquium, Department of Mathematics, Spelman College (Feb. 24, 2025) [slides]
- Colloquium, Department of Mathematics, Kennesaw State University (Feb. 21, 2025) [slides]
- Colloquium, Department of Mathematics, Wake Forest University (Nov. 9, 2023) [slides]
- Colloquium, Pomona Research in Mathematics Experience (PRiME) (June 30, 2023) [slides]
- Math/Stat Colloquium, Swarthmore College (Mar. 22, 2022) [slides]
- Math/Stats Colloquium, Carleton College (virtual) (Sept. 22, 2020) [slides]
"Apollonian circle packings and integers," Keynote Speech for North Carolina State University's Association for Women in Mathematics (AWM) Sonia Kovalevsky (SK) Day (Apr. 13, 2024) [slides]
"The Descartes circle theorem: How kissing circles give rise to a quadratic equation," Math/Stats Colloquium, Carleton College (Jan. 24, 2022) [slides]
"An Asymptotic Local-Global Principle for Integral Kleinian Sphere Packings," Plenary Talk, Mid-Atlantic Seminar On Numbers V (virtual) (Mar. 28, 2021) [slides]

Here is a list of some of my other invited math talks.

"Number theory, sphere packings, and bridges," AMS Special Session on The Impact of the ASCEND Program: Research and Reflection, Joint Mathematics Meetings (Jan. 7, 2026) [slides]
"On the local-global conjecture for 3-dimensional Kleinian sphere packings"
- Postdoc Speaker, Palmetto Number Theory Series (PANTS) XL (Dec. 6, 2025) [slides]
- Algebra and Number Theory Seminar, Pennsylvania State University (Oct. 21, 2025) [slides]
- Purdue Analytic Number Theory and Harmonic Analysis (PANTHA) Seminar, Purdue University (Apr. 4, 2025) [slides]
"Versions of the circle method"
- Discrete Mathematics Seminar, Kennesaw State University (Feb. 20, 2025) [slides]
- Algebra and Combinatorics Seminar, Tulane University (Feb. 12, 2025) [slides]
"On the local-global conjecture for higher-dimensional Kleinian sphere packings"
- Number Theory Seminar, University of Washington (Jan. 14, 2025) [slides]
- AMS Special Session on Local-to-Global in Apollonian Circle Packings and Beyond, Joint Mathematics Meetings (Jan. 11, 2025) [slides]
"Pre-Talk for Bayou Arithmetic Research Day (BARD) 4," covering partitions, generating functions, and the circle method (Oct. 11, 2024) [slides]
"Lecture on the circle method," Bootcamp for the 35th Automorphic Forms Workshop (May 22, 2023) [slides] [slides with slightly more detail, especially about the delta method]
"The Kloosterman circle method and weighted representation numbers of positive definite quadratic forms"

Ramanujan-Serre (Number Theory) Seminar, University of Virginia (Mar. 17, 2023) [slides]
Algebra, Combinatorics, Topology, Geometry, and Number Theory Seminar (ANT-CoG), University of North Carolina Greensboro (Feb. 27, 2023) [slides]
Number Theory Seminar, Kansas State University (Feb. 1, 2023) [slides]
AMS Special Session on Quadratic Forms, Modular Forms, and Applications, Joint Mathematics Meetings (Jan. 6, 2023) [slides]
Number Theory Seminar, Duke University (Sept. 28, 2022) [slides]

"A strong asymptotic local-global principle for integral Kleinian sphere packings," Algebra and Number Theory Seminar, Louisiana State University (Nov. 16, 2021) [slides]
"Local-global I: Apollonian packings," Arbeitsgemeinschaft: Thin Groups and Super-approximation, Mathematisches Forschungsinstitut Oberwolfach (virtual) (Oct. 12, 2021) [slides]
"A local-global principle for integral Kleinian sphere packings" [slides]
- Number Theory Seminar, Duke University (virtual) (Oct. 6, 2021)
- Number Theory Seminar, Rutgers University (virtual) (Oct. 5, 2021)
- PANTHA Seminar, Purdue University (virtual) (Sept. 29, 2021)
"An Asymptotic Local-Global Principle for Integral Kleinian Sphere Packings" [slides]
- Number Theory Seminar, University of Washington (virtual) (Mar. 30, 2021)
- Number Theory Seminar, University of Illinois Urbana-Champaign (virtual) (Mar. 16, 2021)
- Number Theory Seminar, University of Cambridge (virtual) (Mar. 9, 2021)
"The Local-Global Principle for Integral Crystallographic Sphere Packings," AMS Special Session on Quadratic Forms and Theta Functions, Joint Mathematics Meetings (virtual) (Jan. 6, 2021) [slides]
"Local Densities of Diagonal Integral Ternary Quadratic Forms at Odd Primes," Study Group in Number Theory Seminar, The Graduate Center, CUNY (Feb. 28, 2020) [slides]