Journal of Combinatorics

Volume 6 (2015)

Number 1–2

Contents

A foreword by the Guest Editors

Frédérique Bassino, Mathilde Bouvel, and Dominique Rossin

pp. 1-2

Isomorphisms between pattern classes

M. H. Albert, M. D. Atkinson, and Anders Claesson

pp. 3-17

Some Wilf-equivalences for vincular patterns

Andrew M. Baxter and Mark Shattuck

pp. 19-45

A simple proof of a theorem of Schmerl and Trotter for permutations

Robert Brignall and Vincent Vatter

pp. 47-54

Two examples of unbalanced Wilf-equivalence

Alexander Burstein and Jay Pantone

pp. 55-67

Divisors and specializations of Lucas polynomials

Tewodros Amdeberhan, Mahir Bilen Can, and Melanie Jensen

pp. 69-89

Bruhat graphs and pattern avoidance

Christopher Conklin and Alexander Woo

pp. 91-102

A viewpoint for permutations with a low density of patterns

Benjamin Fineman

pp. 103-115

On the asymptotic statistics of the number of occurrences of multiple permutation patterns

Svante Janson, Brian Nakamura, and Doron Zeilberger

pp. 117-143

The depth of a permutation

T. Kyle Petersen and Bridget Eileen Tenner

pp. 145-178

Block patterns in Stirling permutations

Jeffrey B. Remmel and Andrew Timothy Wilson

pp. 179-204

Signed arc permutations

Sergi Elizalde and Yuval Roichman

pp. 205-234

Permutation statistics and multiple pattern avoidance

Wuttisak Trongsiriwat

pp. 235-248

Pattern avoidance in extensions of comb-like posets

Sophia Yakoubov

pp. 249-272