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From points South and East, take the New York Thruway to exit 25. Take I-890 to exit 7 (marked "NY 7 east to Troy"). Follow Route 7, turn left onto Balltown Road (marked "to 146"), and then turn left at the first traffic light onto Union Street. Follow Union Street and enter campus through Payne Gate on

SECOND ANNOUNCEMENT UNION COLLEGE MATHEMATICS CONFERENCE April 9-10, 1994 Please reply to this message, if you plan to attend and have not yet contacted us. FRIDAY EVENING RECEPTION: 9:00 - 11:00 PM (Bailey Hall 204) SATURDAY 9:30 Registration, coffee, doughnuts (Bailey 204) 10:00 Parallel Sessions (Bailey Second Floor) 11:30 Invited Address I: Andre Joyal (Bailey 207) 12:30 Lunch (The College Center) 2:00 Parallel Sessions (Bailey Second Floor) 4:00 Coffee Break (Bailey 204) 4:30 Invited Address II: Peter May (Bailey 207) 5:30 Cocktails (Hale House Lower Lounge) 6:30 Banquet (Hale House Dining Room) 8:00 Dessert and Party (Milano Lounge) SUNDAY (Bailey Hall 2nd Floor) 9:00 Coffee and doughnuts (Bailey 204) 9:30 Invited Address III: Zoltan Balogh (Bailey 207) 10:30 Parallel Sessions (Bailey Second Floor) 12:00 Lunch (The College Center) 1:00 Parallel Sessions (Bailey Second Floor) 3:30 Conference ends CATEGORY THEORY SPEAKERS: A. Joyal, University of Quebec at Montreal "Money games" M. Barr, McGill University "Acyclic models" R. Blute, University of Ottawa "Linear Lauchli semantics" M. Bunge, McGill University "A characterization of Grothendieck toposes in Set-Modules" P. Glenn, Catholic University of America "Structures with a simplicially-defined higher dimensional composition" M. Kleiner, Syracuse University "Green correspondence for adjoint functors" J. Lambek, McGill University "Diagram chasing in Goursat categories" H. Hu, York University "Limits in free coproduct completions" M. Mannucci, CUNY "Modal geometric theories and their semantics" W. Tholen, York University "Locally split epis and effective descent" ALGEBRAIC TOPOLOGY SPEAKERS: J.P. May, University of Chicago "Derived Categories in Algebra and Topology" S. Costenoble, Hofstra University "Some strange facts about ordinary equivariant homology" T. Elmendorf, Perdue University Calumet "Remarks on the Cyclotomic Structure of THH" R. McCarthy, Brown University "The Calculus of Homotopy Functors and Algebraic K-Theory" R. Singer, Fordham University "Just how much does one require to induce a map of Tor?" SET-THEORETIC TOPOLOGY SPEAKERS: Z. Balogh, Miami University of Ohio "A solution to the small Dowker space problem" T. LaBerge, Union College "Forcing tightness in products of fans" S. Hechler, Queens College TBA A. Zarach, East Stroudsburg University "A model for ZF without power set" ACCOMMODATIONS: Blocks of rooms have been reserved at the Days Inn and the Holiday Inn in Schenectady. To obtain one of these rooms at the rates listed below, mention the Union College Mathematics Department when you call. Both are within easy walking distance of the campus. The Ramada Inn is also within walking distance of campus. 1. Holiday Inn (518) 393-4141 Single $55 Double $55 2. Days Inn (518) 370-0851 Single $45 Double $50 3. Ramada Inn (518) 370-7151 Single $63 Double $73 DIRECTIONS: the right. Bailey Hall is on the east side of campus, just west of the athletic field.

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From points West, take the New York Thruway to exit 26, then I-890 to Erie Boulevard (exit 4). Follow Erie Boulevard to Union Street, turn right onto Union Street, and enter campus through Payne Gate on the left. Bailey Hall is on the east side of campus, just west of the athletic field.

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From points North, take the Northway (I-87) to exit 9 (marked "146 Clifton Park"). Turn right, follow 146 for about 6 miles to a traffic light, and turn left onto Balltown Road (still 146). Follow Balltown Road over the Mohawk River. Turn right onto Aqueduct Road (which becomes Van Vranken Avenue when it enters Schenectady) and continue until it ends at the Union College campus Nott Street gate. Bailey Hall is on the east side of campus, just west of the athletic field.

Union College Department of Mathematics Schenectady, NY 12308 (518) 388-6246