AMS Sectional Meeting Program by Special Session
Current as of Saturday, April 4, 2009 00:27:23
2009 Spring Central Sectional Meeting
Urbana, IL, March 2729, 2009 (Friday  Sunday)
Meeting #1047
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Special Session on Number Theory in the Spirit of Erdos

Friday March 27, 2009, 2:00 p.m.4:50 p.m.
Special Session on Number Theory in the Spirit of Erdos, I
Room 143, Altgeld Hall
Organizers:
Kevin Ford, University of Illinois at UrbanaChampaign ford@math.uiuc.edu
A. J. Hildebrand, University of Illinois at UrbanaChampaign hildebr@math.uiuc.edu

2:00 p.m.
A 1935 Erdős paper on prime numbers and Euler's function.
Carl Pomerance*, Dartmouth College
(104711157) 
3:00 p.m.
Phase transitions in infinitely generated groups, and a problem in additive number theory.
Melvyn B. Nathanson*, CUNY (Lehman College and the Graduate Center)
(10471112) 
3:30 p.m.
Dense Egyptian fractions.
Greg Martin*, University of British Columbia
(10471111) 
4:00 p.m.
On Carmichael and Giuga numbers.
William D Banks*, University of Missouri
(104711356) 
4:30 p.m.
Some problems concerning the fraction $\sigma(n)/n$.
Paul Pollack*, University of Illinois at UrbanaChampaign
(104711454)

2:00 p.m.

Saturday March 28, 2009, 9:00 a.m.11:50 a.m.
Special Session on Number Theory in the Spirit of Erdos, II
Room 143, Altgeld Hall
Organizers:
Kevin Ford, University of Illinois at UrbanaChampaign ford@math.uiuc.edu
A. J. Hildebrand, University of Illinois at UrbanaChampaign hildebr@math.uiuc.edu

9:00 a.m.
The HardyLittlewood Prime Tuple Conjecture and Gaps Between Consecutive Primes.
Dan Goldston*, San Jose State University
(104711430) 
10:00 a.m.
Some Conjectures of Erdős on Consecutive Integers.
D. A. Goldston, San Jose State University
S. W. Graham*, Central Michigan University
J. Pintz, Renyi Mathematical Institute of the Hungary Academy of Sciences
C. Y. Yıldırım, Bogazici University
(10471142) 
10:30 a.m.
Lattice Points Close to a Smooth Curve and Applications.
Ognian Trifonov*, University of South Carolina
(104711367) 
11:00 a.m.
Sums and Products in C[x].
Ernie Croot*, Georgia Tech
(104711350) 
11:30 a.m.
Wieferich pairs and Barker sequences.
Michael J. Mossinghoff*, University of South Carolina and Davidson College
(104711285)

9:00 a.m.

Saturday March 28, 2009, 3:00 p.m.4:50 p.m.
Special Session on Number Theory in the Spirit of Erdos, III
Room 143, Altgeld Hall
Organizers:
Kevin Ford, University of Illinois at UrbanaChampaign ford@math.uiuc.edu
A. J. Hildebrand, University of Illinois at UrbanaChampaign hildebr@math.uiuc.edu

3:00 p.m.
Open Problems on Covering Systems.
Michael Filaseta*, University of South Carolina
(104711286) 
3:30 p.m.
Covering systems old and new.
Pace P. Nielsen*, The University of Iowa
(104711359) 
4:00 p.m.
On sequences of integers no one of which divides the product of three others.
Tsz Ho Chan*, University of Memphis
Ervin Gyory, Renyi Institute
Andras Sarkozy, Eotvos Lorand University
(10471146) 
4:30 p.m.
Sets with Integral Distance in Finite Fields.
Alex Iosevich, University of Missouri, Columbia, MO
Igor Shparlinski, Dept. Computing, Macquarie University, Sydney, Australia
Maosheng Xiong*, Pennsylvania State University
(104711257)

3:00 p.m.

Sunday March 29, 2009, 10:00 a.m.10:50 a.m.
Special Session on Number Theory in the Spirit of Erdos, IV
Room 143, Altgeld Hall
Organizers:
Kevin Ford, University of Illinois at UrbanaChampaign ford@math.uiuc.edu
A. J. Hildebrand, University of Illinois at UrbanaChampaign hildebr@math.uiuc.edu

10:00 a.m.
Dense sets of integers without long arithmetic progressions.
Kevin O'Bryant*, CUNY  Staten Island
(104711477) 
10:30 a.m.
Generalized multiplication tables.
Dimitris Koukoulopoulos*, University of Illinois at UrbanaChampaign
(104711455)

10:00 a.m.