Ohio State University

Columbus, Ohio

December 1-3, 2000


Schedule of Events

Thursday November 30

Afternoon-Evening: Checking into the hotels. Reception at the University Plaza Hotel(6:30pm-8:00pm).

Friday December 1

8:00 am. Registration and Coffee-Mw 724(Math Lounge)
Buses leave the hotel around 7:50 and 8:10am.
All talks in Journalism 300: Coffee and refreshments in Mw 724.
8:40 -9:30am. James Lewis (University of Alberta)
A conjecture of Jannsen and a filtration on Chow groups
JR (Journalism) 300
Coffee-Mw 724
9:50-10:40 am. Henri Gillet (University of Illinois, Chicago)
Deformation to the normal cone in arithmetic intersection theory
JR 300
Coffee-MW 724
11:00-11:50 am. Fabien Morel (University of Paris)
Homotopy theory, real motives and oriented algebraic cycles
JR 300
2:00-2:50 pm. Eric Friedlander (Northwestern University)
Semi-topological $K$-theory of real varieties
JR 300
Coffee-Mw 724
3:10 -4:00pm. Marc Levine (Northeastern University)
Algebraic cobordism and degree formulas
JR 300
Coffee-Mw 724
4:30-5:20 pm. Markus Rost (Ohio State)
Relations between Galois Cohomology and Cobordism
JR 300
Buses leave for the hotel at 5:45pm at 6:05pm
Dinner at the University Plaza Hotel starting 7:00pm.

Saturday December 2

Buses leave the hotel around 8:10am and 8:30am.
All talks in Math Annex 160: Coffee and refreshments in Mw 724.
8:30 am. Coffee-Mw 724
9:00-9:50 am. Stefan Muller-Stach (University of Essen)
Families of cycles and differential equations
EA (Math Annex)160
Coffee-Mw 724
10:10-11:00 am. Jacob Murre (University of Leiden)
Galois symbols on the twofold product of an elliptic curve
EA 160
Coffee-Mw 724
11:30-12:20 am. Roy Joshua (Ohio State)
Mod-$l$ K-theory and motivic cohomology of linear varieties
EA 160
2:00-2:50 pm. Michel Brion (Institut Fourier/CNRS)
The diagonal of flag varieties, and wonderful group completions
EA 160
Coffee-Mw 724
3:10-4:00 pm. Spencer Bloch (University of Chicago)
Periods and Riemann Roch for irregular connections
EA 160
Coffee-Mw 724
4:30-5:20 pm. Helen Esnault (University of Essen)
A local invariant of irregular connections on curves over a field
EA 160
Buses leave for the hotel at 5.45pm and 6:05pm

Sunday December 3

Buses leave the hotel around 8:00am and 8:20am.
All talks in Math Annex 160: Coffee and refreshments in Mw 724.
8:00 am. Coffee-Mw 724
8:40-9:30 am. Bertrand Toen (Max Planck Institut/CNRS)
Schematic homotopy types and non-abelian Hodge theory
EA 160
Coffee-Mw 724
9:50-10:40 am. Niranjan Ramachandran (University of Maryland)
Motives over finite fields
EA 160
Coffee-Mw 724
11:00-11:50 am. Patrick Brosnan (University of California, Irvine)
Matroids, motives and a conjecture of Kontsevich
EA 160
LUNCH: End of Conference

Bus leaves for the hotel at 12:00 noon and 12:20pm

General Information

The conference is supported in part by the MRI (Math Research Institute of OSU), the IMA (Institute for Mathematics and its Applications) and the NSA (National Security Agency).

The conference will be held on the campus of the Ohio State University in the Math Annex (EA) next to the Mathematics Tower (MW), in Journalism (JR), and in the University Hall (UH). See maps below:

Accommodations, Registration etc.:

The registration will take place in MW 724 starting 8:00am on December 1st. However, it would be very helpful for the organizers to know in advance how many people would be attending the conference. Therefore, if you are planning on attending the conference, please send an e-mail to as soon as possible.

There are a block of rooms reserved for the conference at the University Plaza Hotel, 3110 Olentangy River Road, Columbus, Ohio, 43202. Tel (toll free in the US):1-877-677-5292, (also) 614-267-7461; fax: 614-267-3978. For reservations mention The conference on Algebraic Cycles: price $69 per room. (If you are overseas, we suggest faxing your reservation to the hotel.) This is a special rate available only if you are part of the conference.

The hotel has arranged a free bus service to campus in the mornings and from campus at the end of talks each day. (The bus times are listed above.) This is in addition to a good shuttle service to campus and also to and from the airport. (The walking distance from the hotel to the campus is about 2 miles.) Please make your reservations as early as possible so that the supply and demand of rooms at the hotel can be kept in balance.

You may also take a look at the following more or less complete list of hotels and motels in the general campus area. We have to warn you though, that the rates listed there may or may not be the same as what you may be able to obtain.

We will be able to provide support towards accomodation for a limited number of graduate students and post docs.

There is a registration fee of $30.00 for attending the conference, which includes the price for a dinner on Friday night. This will be collected in Room 724 (the lounge) of the Math Tower before talks on December 1. (Only cash or checks accepted.)

Lunch. If you stay at the University Plaza Hotel, you have the option of ordering a box-lunch that they will deliver to Mw 724 around noon. The menu for this will be in the welcome packet you receive from the hotel when you check in. The other option is to go to restaurants either on campus (there is one near the book-store "Oxleys") or on High Street ("Brennans", "Brueggers" ) which provide sandwiches or some Chinese restaurants on High Street. It has to be pointed out that these places are usually crowded around lunch time (especially on Friday).


You can park in the OSU stadium lot (at Cannon Dr. and Woody Hayes Dr.) for free. Parking closer may result in a ticket.

From the stadium walk east past the bookstore and cross Neil Ave to 18th Ave, MW and EA will be on your right.

For further information please contact:

Roy Joshua (
Brent Gordon (
Department of Mathematics
Ohio State University
231 West 18th Ave.
Columbus, Ohio 43210-1174
614-292-4975 (department phone)
614-292-1479 (department FAX)

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