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Refactoring and extensions to symmetric functions / KSchur ========================================================== Anne Schilling Mike Zabrocki Dorota Arithmetic dynamics & symmetric functions ----------------------------------------- Ben Hutz Grothendieck polynomials / ... ============================== Kaisa / Nicolas; checking out with Viviane's code Mark Jessica Striker Alternating sign matrices ========================= Jessica Striker Refactoring and extensions to Hopf algebras =========================================== Anne Schilling Mike Zabrocki John Franco Hopf algebras on graphs ----------------------- Jeremy Crystals ======== Anne Schilling Mark Julie Dan Ben Arthur Get people in Sage ================== Dan Nicolas Gregg Franco Quiver representations ====================== Gregg Peter Webb Franco Saliola Charles Paquette Alex Fink Julie Al Garver Emily Gunawan Clusters algebras from surfaces =============================== Gregg Al Garver Weiwen Gu Emily Gunawan Graphs ====== - contract edges / vertices Jeremy L. Martin Anne Schilling Tom Lauren - Tutte Polynomial Kevin Thomas Posets & Simplicial complexes ============================= Demo including facade posets: Kim Vic Jessica Striker Jeremy John^2 Charles? Kevin Thomas Alex Csar? Wish List ============================= Posets: is_modular - Alex Csar is_atomic is_semimodular - Alex Csar adding functionality to poset elements iterate over lattices zeta, order, characteristic polynomials more examples of posets * Young diagrams - Kevin * Semistandard tableaux - Jessica/ graph_editor disjoint union ordinal sum product interval posets Simplicial Complexes: Shellability G-posets - homology modules H_*(-, S), H^*(-, R) for manifolds S, R cup products cohomology operations how to represent (co-)homology classes? links (already done) stars Cohen-Macalaulay Fundamental Group is_shifted is_pseduo-manifold Complex Projective Space Topological structures & categories & their reps ------------------------------------------------ Peter webb John Sage Documentation ================== John Graded Algebras =============== Franco John Partition algebras and their reps ================================= George Get my patches into Sage ======================== Nicolas Franco Anne Dan Gregg ... Review of what's missing from Stembridge's packages =================================================== Alex Drew Thomas Kevin Extended Affine hecke algebras / weyl groups ============================================ Non symmetric Macdonald polynomials & friends in general types Mark Nicolas Anne Dan Ben Daniel Sagetex ======= Nicolas Dan Schubert Calculus ================= Mark Alex Nicolas Kaisa Yasuhide Tom Integration of (affine) symmetric group and Coxeter groups ========================================================== Alex Csar Tom Denton Holly NCSF/QSYM ========= Chris Mike Holly Dorota Franco Nicolas? Statistics on permutations ========================== Kim2 Interface to Gfan and version update ==================================== Marshall Hampton Complex reflexion groups ======================== Alex Miller |
Sage Days 40 Coding Sprint Projects
For the main Sage Days 40 wiki page go here.
Below is a list of proposed projects.
Refactoring and extensions to symmetric functions / KSchur
Anne Schilling Mike Zabrocki Dorota
Arithmetic dynamics & symmetric functions
Ben Hutz
Grothendieck polynomials / ...
Kaisa / Nicolas; checking out with Viviane's code Mark Jessica Striker
Alternating sign matrices
Jessica Striker
Refactoring and extensions to Hopf algebras
Anne Schilling Mike Zabrocki John Franco
Hopf algebras on graphs
Jeremy
Crystals
Anne Schilling Mark Julie Dan Ben Arthur
Get people in Sage
Dan Nicolas Gregg Franco
Quiver representations
Gregg Peter Webb Franco Saliola Charles Paquette Alex Fink Julie Al Garver Emily Gunawan
Clusters algebras from surfaces
Gregg Al Garver Weiwen Gu Emily Gunawan
Graphs
contract edges / vertices
Jeremy L. Martin Anne Schilling Tom Lauren
Tutte Polynomial
Kevin Thomas
Posets & Simplicial complexes
Demo including facade posets: Kim Vic
Jessica Striker Jeremy John^2 Charles? Kevin Thomas Alex Csar?
Wish List
Posets:
is_modular - Alex Csar
is_atomic
is_semimodular - Alex Csar
adding functionality to poset elements
iterate over lattices
zeta, order, characteristic polynomials
- more examples of posets
- Young diagrams - Kevin
- Semistandard tableaux - Jessica/
graph_editor
disjoint union
ordinal sum
product
interval posets
Simplicial Complexes:
Shellability
G-posets - homology modules
H_*(-, S), H^*(-, R) for manifolds S, R
cup products
cohomology operations
how to represent (co-)homology classes?
links (already done)
stars
Cohen-Macalaulay
Fundamental Group
is_shifted
is_pseduo-manifold
Complex Projective Space
Topological structures & categories & their reps
Peter webb John
Sage Documentation
John
Graded Algebras
Franco John
Partition algebras and their reps
George
Get my patches into Sage
Nicolas Franco Anne Dan Gregg ...
Review of what's missing from Stembridge's packages
Alex Drew Thomas Kevin
Extended Affine hecke algebras / weyl groups
Non symmetric Macdonald polynomials & friends in general types
Mark Nicolas Anne Dan Ben Daniel
Sagetex
Nicolas Dan
Schubert Calculus
Mark Alex Nicolas Kaisa Yasuhide Tom
Integration of (affine) symmetric group and Coxeter groups
Alex Csar Tom Denton Holly
NCSF/QSYM
Chris Mike Holly Dorota Franco Nicolas?
Statistics on permutations
Kim2
Interface to Gfan and version update
Marshall Hampton
Complex reflexion groups
Alex Miller