#### Filter Results:

#### Publication Year

1996

2007

#### Co-author

#### Key Phrase

#### Publication Venue

Learn More

Lauren Williams (joint work with Einar Steingrímsson) We introduce and study a class of tableaux which we call permutation tableaux; these tableaux are naturally in bijection with permutations, and they are a distinguished subset of the " Le-diagrams " of Alex Postnikov. The structure of these tableaux is in some ways more transparent than the structure of… (More)

A self-avoiding walk (saw) is a path on a lattice that does not pass through the same point twice. Though mathematicians have studied saws for over fifty years, the number of n-step saws is unknown. This paper examines a special case of this problem, finding the number of n-step " upside " saws (ussaws), saws restricted to moving up and sideways. It… (More)

- ‹
- 1
- ›