Publications (39)
Posets, Tensor Products and Schur positivity
Vyjayanthi Chari, Ghislain Fourier, Daisuke Sagaki
Local Weyl modules for equivariant map algebras with free abelian group actions
Ghislain Fourier, Tanusree Khandai, Deniz Kus +1
Linear degenerations of flag varieties: partial flags, defining equations, and group actions
Giovanni Cerulli Irelli, Xin Fang, Evgeny Feigin +2
Marked poset polytopes: Minkowski sums, indecomposables, and unimodular equivalence
Ghislain Fourier
PBW filtration and bases for symplectic Lie algebras
Evgeny Feigin, Ghislain Fourier, Peter Littelmann
Toric degenerations of Gr(2,n) and Gr(3,6) via plabic graphs
Lara Bossinger, Xin Fang, Ghislain Fourier +2
On multigraded generalizations of Kirillov-Reshetikhin modules
Angelo Bianchi, Vyjayanthi Chari, Ghislain Fourier +1
PBW-type filtration on quantum groups of type $A_n$
Xin Fang, Ghislain Fourier, Markus Reineke
A Continuous Family of Marked Poset Polytopes
Xin Fang, Ghislain Fourier, Jan-Philipp Litza +1
Weyl modules and Levi subalgebras
Ghislain Fourier
Demazure modules and Weyl modules: The twisted current case
Ghislain Fourier, Deniz Kus
New homogeneous ideals for current algebras: filtrations, fusion products and Pieri rules
Ghislain Fourier
A categorical approach to Weyl modules
Vyjayanthi Chari, Ghislain Fourier, Tanusree Khandai
On toric degenerations of flag varieties
Xin Fang, Ghislain Fourier, Peter Littelmann
Degree cones and monomial bases of Lie algebras and quantum groups
Teodor Backhaus, Xin Fang, Ghislain Fourier
Perfectness of Kirillov-Reshetikhin crystals for nonexceptional types
Ghislain Fourier, Masato Okado, Anne Schilling
Essential bases and toric degenerations arising from birational sequences
Xin Fang, Ghislain Fourier, Peter Littelmann
Marked chain-order polytopes
Xin Fang, Ghislain Fourier
Global Weyl modules for equivariant map algebras
Ghislain Fourier, Nathan Manning, Alistair Savage
PBW filtration and bases for irreducible modules in type $A_n$
Evgeny Feigin, Ghislain Fourier, Peter Littelmann
Tensor product structure of affine Demazure modules and limit constructions
Ghislain Fourier, Peter Littelmann
Weyl modules, Demazure modules, KR-modules, crystals, fusion products and limit constructions
Ghislain Fourier, Peter Littelmann
Schur Positivity and Kirillov-Reshetikhin Modules
Ghislain Fourier, David Hernandez
Demazure structure inside Kirillov-Reshetikhin crystals
Ghislain Fourier, Anne Schilling, Mark Shimozono
Weyl modules for the twisted loop algebras
Vyjayanthi Chari, Ghislain Fourier, Prasad Senesi
PBW-degenerated Demazure modules and Schubert varieties for triangular elements
Ghislain Fourier
PBW--filtration over $\bz$ and compatible bases for $V_\bz(\la)$ in type ${\tt A}_n$ and ${\tt C}_n$
Evgeny Feigin, Ghislain Fourier, Peter Littelmann
Weyl modules for multiloop algebras
Ghislain Fourier, Tanusree Khandai, Deniz Kus
The degree of the Hilbert-Poincaré polynomial of PBW-graded modules
Teodor Backhaus, Lara Bossinger, Christian Desczyk +1
Torus fixed points in Schubert varieties and normalized median Genocchi numbers
Xin Fang, Ghislain Fourier
Extended partial order and applications to tensor products
Ghislain Fourier
Linear degenerations of flag varieties
Giovanni Cerulli Irelli, Xin Fang, Evgeny Feigin +2
Degenerate Schubert Varieties in Type A
Rocco Chirivi', Xin Fang, Ghislain Fourier
On Truncated Weyl Modules
Ghislain Fourier, Victor Martins, Adriano Moura
String cone and Superpotential combinatorics for flag and Schubert varieties in type A
Lara Bossinger, Ghislain Fourier
Global Weyl modules for the twisted loop algebra
Ghislain Fourier, Nathan Manning, Prasad Senesi
Kirillov--Reshetikhin crystals for nonexceptional types
Ghislain Fourier, Masato Okado, Anne Schilling
Minuscule Schubert varieties: Poset polytopes, PBW-degenerated Demazure modules, and Kogan faces
Rekha Biswal, Ghislain Fourier
Favourable modules: Filtrations, polytopes, Newton-Okounkov bodies and flat degenerations
Evgeny Feigin, Ghislain Fourier, Peter Littelmann