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Photo by M. Readdy
In Japan koi symbolize strength, courage, patience and success through perseverance.
The KOI Combinatorics Lectures is a joint venture between combinatorialists from the Kentucky, Ohio and Indiana area.
The goal of this series of meetings is to foster and build intergenerational friendship and collaboration between researchers broadly defined (graduate students, postdocs, faculty) in the KOI area.
Organizing Committee:
Saúl A. Blanco (IU), Mihai Ciucu (IU), Richard Ehrenborg (UK), Eric Katz (OSU), Margaret Readdy (UK)
The KOI Combinatorics Lectures are funded by a generous grant from
the National Science Foundation (NSF DMS 2435236)
University of Kentucky
Department of Mathematics
F A L L 2 0 2 5
F A L L 2 0 2 5
Fourth meeting: December 6, 2025 (in-person)
Location: University of Kentucky, Lexington KY
Local Organizing Committee:
Alvaro Cornejo (UK), Richard Ehrenborg (UK), KT Griffis (UK), Evan Henning (UK), Margaret Readdy (UK), Doel Rivera Laboy (UK), Williem Rizer (UK), Kumar Vinayak (UK).
Speakers: Bruno Benedetti (University of Miami), Jacob Matherne (NC State University), Dhruv Mubayi (University of Illinois Chicago)
There will also be a Colloquium talk on Friday, December 5, 2025 by Allen Knutson (Cornell University)
Conference Schedule:
Friday, December 5, 2025
03:14 (π time) - 03:50 pm Tea
04:10 - 05:10 pm Colloquium Talk
06:00 - 08:00 pm Colloquium Dinner
Saturday, December 6, 2025
All Saturday lectures are held in Chem-Physics 130 (CP 130)
09:00 - 10:00 am Arrival/Registration/Meet and Greet
09:59 - 10:00 am Welcome, Welcome speech
10:00 - 11:00 am Speaker I
11:00 - 11:30 am Coffee Break
11:30 - 12:30 pm Speaker II
12:30 - 02:30 pm Lunch Break
02:30 - 03:14 pm Panel
03:14 (π time) - 04:09 pm Tea Time and the One Picture/One Theorem Poster Session
04:10 - 05:10 pm Speaker III
05:11 - 05:20 pm Conference Photo
06:00 - 08:00 pm Conference Dinner
Talk Titles and Abstracts:
TBA
Abstract.
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Abstract
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Abstract
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Abstract
One Picture One Theorem Poster Session Presenters:
TBA
Hotels in the area:
Participants must make their own hotel reservations. Lexington is a popular place for sporting events at Rupp Arena and the Central Bank Center (aka the Convention Center). We advise making your reservation ASAP.
Holiday Inn Express 1000 Export Street, Lexington KY 40504 (0.7 mile from campus). $145/night with breakfast included
Tru by Hilton University Medical Center (1.5 miles from campus); 535 Waller Avenue, Lexington KY 40504. $111/night
Hilton Lexington/Downtown 369 W Vine St, Lexington, KY 40507 (1.1 miles from campus). $121 (Friday), $238 (Saturday)
Hyatt Regency Lexington 401 W High St, Lexington, KY 40507 (1.1 miles from campus). $179 (Friday), $379 (Saturday)
The Campbell House Curio by Hilton Lexington 1375 S Broadway, Lexington, KY 40504 (1.4 miles from campus). $140/night
Registration: Is now open! See registration form
Funding: The NSF DMS conference grant for the KOI Combinatorics Lectures provides partial funding for participant travel and local costs. Priority will be placed on funding those individuals to participate who do not have access to other federal support, or who are students, post-doctoral scholars, or from underrepresented groups.
Funding request form: here (due November 3, 2025)
Childcare and family care conference resources: In order to encourage participants whose attendance is contingent in having childcare or family care in place, the NSF has generously provided childcare and family care support. Please indicate any need when you register.
Pre-registered Participants (so far):
Soon...
Non-discrimination statement and conduct: The KOI Combinatorics Lectures promotes and encourages a welcoming environment for individuals from all backgrounds. We actively promote participation from all career stages and from all backgrounds.
Our goal is to foster a wonderful learning community and exchange of ideas. As per Federal regulations, there is a zero-tolerance policy for discrimination on the basis of race, ethnicity, color, religion, age, national origin, veteran or service status, disability, any other protected category, or identity. We expect all participants to conduct themselves conscientiously and respectfully. We will not allow harassment or inappropriate behavior. Conference organizers have full discretion to enforce this policy.
If you wish to be added to the KOI Combinatorics Lectures mailing list, please send an e-mail to: koi.combinatorics@gmail.com.
Last updated: September 30, 2025
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