
Special Issue on New Directions in Lie Theory
The Guest Editors for this special issue are
Vyjayanthi Chari (University of California, Riverside, USA)
Kailash Misra (North Carolina State University, USA)
Erhard Neher (University of Ottawa, Canada)
Masato Okado (Osaka University, Japan)
Hugh Thomas (University of New Brunswick, Canada)
Topics for this special issue will include
 Combinatorial representation theory;
 Hall and cluster algebras;
 Lie theory related to mathematical physics;
 Categorification and geometric representation theory.
The issue will feature articles by participants of the thematic program “New Directions in Lie Theory”, held at the CRM in January–June 2014.
Papers from other authors whose work fits into the topics above are also invited.
How to Submit an Article to the Issue.
Both original research articles and review papers will be considered (not published or considered for publication elsewhere).
There is no limit to the length of an article. Deadline for paper submission is September 30, 2014.
All articles will go
through the standard peer reviewing procedure of SIGMA.
Papers in this Issue:

A Combinatorial Formula for Certain Elements of Upper Cluster Algebras

Kyungyong Lee, Li Li and Matthew R. Mills
SIGMA 11 (2015), 049, 24 pages [ abs
pdf ]

Cluster Variables on Certain Double Bruhat Cells of Type $(u,e)$ and Monomial Realizations of Crystal Bases of Type A

Yuki Kanakubo and Toshiki Nakashima
SIGMA 11 (2015), 033, 32 pages [ abs
pdf ]

Skein Modules from Skew Howe Duality and Affine Extensions

Hoel Queffelec
SIGMA 11 (2015), 030, 36 pages [ abs
pdf ]

The Feigin Tetrahedron

Dylan Rupel
SIGMA 11 (2015), 024, 30 pages [ abs
pdf ]

Vertex Algebras $\mathcal{W}(p)^{A_m}$ and $\mathcal{W}(p)^{D_m}$ and Constant Term Identities

Dražen Adamović, Xianzu Lin and Antun Milas
SIGMA 11 (2015), 019, 16 pages [ abs
pdf ]

Irreducible Generic GelfandTsetlin Modules of $\mathfrak{gl}(n)$

Vyacheslav Futorny, Dimitar Grantcharov and Luis Enrique Ramirez
SIGMA 11 (2015), 018, 13 pages [ abs
pdf ]

On the Killing form of Lie Algebras in Symmetric Ribbon Categories

Igor Buchberger and Jürgen Fuchs
SIGMA 11 (2015), 017, 21 pages [ abs
pdf ]

Extension Fullness of the Categories of GelfandZeitlin and Whittaker Modules

Kevin Coulembier and Volodymyr Mazorchuk
SIGMA 11 (2015), 016, 17 pages [ abs
pdf ]

On a Certain Subalgebra of $U_q(\widehat{\mathfrak{sl}}_2)$ Related to the Degenerate $q$Onsager Algebra

Tomoya Hattai and Tatsuro Ito
SIGMA 11 (2015), 007, 13 pages [ abs
pdf ]

Bosonizations of $\widehat{\mathfrak{sl}}_2$ and Integrable Hierarchies

Bojko Bakalov and Daniel Fleisher
SIGMA 11 (2015), 005, 19 pages [ abs
pdf ]

Demazure Modules, ChariVenkatesh Modules and Fusion Products

Bhimarthi Ravinder
SIGMA 10 (2014), 110, 10 pages [ abs
pdf ]

Center of Twisted Graded Hecke Algebras for Homocyclic Groups

Wee Liang Gan and Matthew Highfield
SIGMA 10 (2014), 098, 7 pages [ abs
pdf ]

$\mathcal{A}=\mathcal{U}$ for Locally Acyclic Cluster Algebras

Greg Muller
SIGMA 10 (2014), 094, 8 pages [ abs
pdf ]

Maximal Green Sequences of Exceptional Finite Mutation Type Quivers

Ahmet I. Seven
SIGMA 10 (2014), 089, 5 pages [ abs
pdf ]

Schur Positivity and KirillovReshetikhin Modules

Ghislain Fourier and David Hernandez
SIGMA 10 (2014), 058, 9 pages [ abs
pdf ]

Graded Limits of Minimal Affinizations in Type $D$

Katsuyuki Naoi
SIGMA 10 (2014), 047, 20 pages [ abs
pdf ]

Tilting Modules in Truncated Categories

Matthew Bennett and Angelo Bianchi
SIGMA 10 (2014), 030, 23 pages [ abs
pdf ]

Leibniz Algebras and Lie Algebras

Geoffrey Mason and Gaywalee Yamskulna
SIGMA 9 (2013), 063, 10 pages [ abs
pdf ]

