Event time:
Monday, October 16, 2006 - 12:30pm to Sunday, October 15, 2006 - 8:00pm
Location:
431 DL
Speaker:
Sang-hyun Kim
Speaker affiliation:
Yale University
Event description:
We show that a strong contraction on an anticonnected subset of a graph induces an injective map between right-angled Artin groups. As a result, we give a negative answer to a question raised by Gordon, Long and Reid.