Number Theory and Combinatorics in Duluth: 

Honoring Joe Gallian and 45 years of the Duluth REU

Number theory and Combinatorics in Duluth will take place July 31-August 4 in Bohannon Hall on the campus of University of Minnesota Duluth.  This conference is being held in cooperation with the Association for Women in Mathematics.

Invited Speakers:

Manjul Bhargava (Princeton)

Samit Dasgupta (Duke)

Colin Defant (MIT)

Ellen Eischen (Oregon)

Jacob Fox (Stanford)*

Elena Fuchs (UC Davis)*

Maria Monks Gillespie (Colorado State)

Patricia Hersh (Oregon)

Wei Ho (Michigan)

Daniel Kane (UCSD)

Nathan Kaplan (UC Irvine)

Kiran Kedlaya (UC San Diego)

Gaku Liu (Washington)

Dave Witte Morris (Lethbridge)

Bjorn Poonen (MIT)

Lauren Williams (Harvard)

Melanie Matchett Wood (Harvard)

Lynnelle Ye (Stanford)

Yufei Zhao (MIT)

*to be confirmed


In addition to invited speakers, we will have spaces for contributed talks as well as 5 minute lightning talks.

If you would like to give a contributed talk (approximately 20 minutes) submit a title and abstract here

Registration: Please register here for participation and funding requests.  

Travel and hotel information: Duluth is serviced by Duluth International Airport which has service to MSP (Minneapolis St Paul) and ORD (O'Hare) with United and Delta Airlines. There may be some flights to Fort Meyers and Phoenix through Sun Country Airlines too. If you're traveling by car, Duluth is the northern terminus of I35.  There is a shuttle bus from MSP to Duluth which operates several times daily with drop off locations in Duluth including at UMD.

There are no hotels that are an easy walk to campus. If you are looking on a map, note that UMD's campus is up the hill from the lakeshore. Here are some hotels that are close to restaurants and pubs: Fitger's Inn, Hampton Inn Canal Park, the Inn on Lake Superior, the Suites Hotel at Waterfront Plaza, Pier B Resort, South Pier Inn, Holiday Inn and Suites Downtown, Radison Hotel Duluth - Harborview. There are more affordable options which are farther away: Days Inn & Suites by Wyndham Duluth by the Mall, AmericInn by Wyndham Duluth, Tru by Hilton Duluth Mall Area. You may find bnb's/ airbnb's that are closer to campus. Salyard's Mansion is walkable to UMD's campus.

We have reserves a block of rooms at the Holiday Inn.  Email for information. 

We have reserved blocks of rooms at UMD.  There are apartments which have two separate bedrooms with a shared bath, as well as dorm rooms with a common bath.  The apartments cost $65/night for a private bedroom, and $33/night for a shared bedroom.  The dorm rooms cost $37/night. Email for information on room reservation.  If you are requesting funding and wish to stay in the apartments, indicate this on the registration form.

Venue: The conference will be held in Bohannon Hall on the UMD campus. Bohannon Hall is adjacent to Ordean court, an outdoor area.

Parking Information: During the summer all maroon, white, and green lots plus pay lot G are free of charge. All buildings on campus can be accessed through inside hallways, please look for posted maps!

Either Darland Administration building or SCC are good ways to enter on foot.

Bus Information: Some hotels have shuttle service to the UMD campus. If you wish to take advantage of that, inquire on check-in. Most hotels are located downtown or in the Canal Park area of town. The Duluth transit company has bus routes connecting this area of town to the UMD campus. Here is a map of the bus routes.

Health and Safety: Masks and COVID tests will be available for participants. 


The organizers of this conference are committed fostering a welcome and inclusive environment. We will not tolerate discrimination based on race, color, religion, national origin, sex (including gender identity, sexual orientation, and pregnancy), age, disability, genetic information or parental status. We invite participants to ask for necessary accommodations to ensure they can participate fully in the conference (for example, microphones for speakers, a lactation room, or a list of local child care providers). 

We support the Welcoming Environment Statement of the Association for Women in Mathematics. 

Organizers: Dalibor Froncek,  Lenny Fukshansky, Zhuangyi Liu, Kate Petersen