Model Theory and Number Theory Conference

November 13/14, 1999

University of Illinois at Urbana-Champaign


All lectures will take place in Room 245 Altgeld Hall, 1409 West Green St., Urbana.

Saturday, November 13, 1999

10:00 am Thomas Scanlon (Berkeley), Manin-Mumford for additive groups
11:00 am Alexandru Buium (New Mexico and Illinois), An arithmetic analogue of the Euler-Lagrange formalism
2:00 pm Lou van den Dries (Illinois), On a question of Serre in connection with Hilbert's irreducibility theorem
3:00 pm Daniel Bertrand (Paris VI), Arithmetic theory of differential equations
4:00 pm Zoe Chatzidakis (Paris VII), Questions and progress on groups definable in difference fields

Sunday, November 14, 1999

10:00 am Minhyong Kim (Arizona), Diophantine height inequalities
11:00 am Anand Pillay (Illinois), Mordell-Lang for complex tori


A block of rooms has been reserved at the Quality Hotel, 302 E. John St., Champaign. The hotel is a five minutes walk from Altgeld Hall. Please make reseravations by calling the hotel at 1-800-322-8282 or 217-384-2100. (Also please let A. Pillay know when you have made the reservation.) If you are coming by plane or Amtrak and staying at the Quality Hotel, you can use the complimentary shuttle service provided by the hotel. Call the hotel (1-800-322-8282 or 384-2100) on one of the public phones to request the hotel shuttle. In addition to hotel courtesy vans, there is a door-to-door shuttle service between the airport and Champaign-Urbana; the cost is $9 each way.


From I-74, take the Lincoln Avenue exit in Urbana, go south on Lincoln for about 1 1/2 miles to the light on Green Street, turn right (west) onto Green Street, go about 1/2 mile west on Green Street, crossing Goodwin, Wright, 6th, 5th, and 4th Streets, turn left (south) on 3rd Street. The Quality Hotel is a high rise building half a block to your left, at the intersection of John St. and 4th St.

If you are staying at the hotel, you can park your car in the hotel`s parking garage.

Altgeld Hall is the historic building with a bell tower on the southeast corner of the intersection of Green and Wright Streets. Parking is available one block from Altgeld Hall, in the University parking garage at the intersection of John St. and 6th St. To reach the parking garage, follow the directions above, but turn left (south) two blocks earlier, on 5th St., then turn left (east) again onto John St. The garage is to your right.

From I-72 and I-57, follow the directions to I-74 east, and then continue as above.

Further directions, and maps of the UIUC campus and the Champaign-Urbana area, can be found at under "Campus Maps".


We will cover hotel expenses for graduate students as well as contributing to other expenses if possible.


For more information, contact A. Pillay (, phone 217-355-3869) or A. Buium (