Changes between Version 59 and Version 60 of SageCombinatRoadMap
 Timestamp:
 05/06/12 17:53:42 (4 years ago)
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SageCombinatRoadMap
v59 v60 69 69 * Quiver, Cartan matrix, radical filtration (as in MuPADCombinat) 70 70 * Depends on: #11111 71 * Finite monoids 71 * Finite monoids and semigroups 72 72 * #12914 (prototype): Representation theory of finite semigroups 73 73 * #8360 (finalize) interface to JeanÉric Pin's Semigroupe package … … 80 80 * Path algebras: 81 81 * #9889 (prototype): A new module implementing Monomial Algebras 82 83 * Experiment with KBMAG / PLURAL (see #4539) to implement various 82 * Experiment with KBMAG / PLURAL (see #4539) to quickly implement various 84 83 algebras like affine nilCoxeter algebra, affine nilTemperley Lieb 85 algebra, affine local plactic algebra), see also patch 86 nilTemperleyas.patch in the sagecombinat queue) (AnneSchilling) 87 This could possibly make use of KBMAG. 84 algebra, affine local plactic algebra). 88 85 89 86 * Root systems: … … 101 98 * #12774: (needs review): various enhancements for Coxeter and Weyl groups 102 99 * #11187 (prototype): Implementation of finite reflection groups 103 104 100 * Automatic finite Coxeter/(affine)Weyl type recognition, using graph 105 101 isomorphism with predefined cartan types (complex reflection group is harder) 106 (Volunteers?)107 102 * #8327 (needs review): implement the universal cyclotomic field, using the Zumbroich basis 108 103 Christian Stump … … 117 112 * See also #7555: fix Cayley tables, add operation tables 118 113 * Implement the many realizations of the Hecke algebra (AndrewMathas, ...) 119 120 114 * Further improve root systems, Coxeter groups and the like, 121 115 getting features, inspiration, code, doc, tests, developers from Chevie (...) 122 116 123 124 117 * Crystals: 125 118 * Implement more models of Crystals? 126 * #11305 : Bijection between Rigged Configurations and Crystal Paths127 * #12251 : Implementation of Littelmann path model for crystals119 * #11305 (prototype): Bijection between Rigged Configurations and Crystal Paths 120 * #12251 (needs review): Implementation of Littelmann path model for crystals 128 121 129 122 * Cluster algebras (Christian Stump, ...): … … 183 176 * Todo for/at Sage Days 20.5 (May 2010): 184 177 * Design and implement framework for computing with representations / modules / character rings 185 186 * Words improvements:187 * #8595, #8618, #8574, #8673 and #8674 (misc defect fixes),188 * #8429 (Split word.py file into 4 files),189 * #8604 (Add a class for factorenumerable words),190 * #8407 and #8670 (new methods for word paths),191 * #8287 (_check makes it slower),192 * #8431 (Rauzy fractal (discrete planes and broken lines)193 194 * Todo for Sage Days 20 (February 2010):195 * #7004 will be used intensively to visualize semigroups and others196 * words bug : #8095 (word morphism is primitive), #8140 (sturmian words definition), #8186 (length handling), #8215 (empty word), #8232 (cmp bug), #7520 (word construction)197 * words enhancement : #8187 (equality of words), #8268 (speed up christoffel words), #8287 (_check function), #8289 (word morphism call function), #7619 (pickle for word defined by callable or iterator), #8233 (concatenation), #8266 (documentation)198 * words new functions : #8093, #8127, #8227199 * Disjoint set data structure : #6775200 178 201 179 * 2012: … … 251 229 * #8519: NN, NonNegativeIntegers, PositiveIntegers, IntegerRange, ... 252 230 * #6655: Cleanups and new features about corners and cells in partition and tableau 231 * #6775: Disjoint set data structure 232 233 234 * Words: 235 * words bug : #8095 (word morphism is primitive), #8140 (sturmian words definition), #8186 (length handling), #8215 (empty word), #8232 (cmp bug), #7520 (word construction) 236 * words enhancement : #8187 (equality of words), #8268 (speed up christoffel words), #8287 (_check function), #8289 (word morphism call function), #7619 (pickle for word defined by callable or iterator), #8233 (concatenation), #8266 (documentation) 237 * words new functions : #8093, #8127, #8227 238 * #8595, #8618, #8574, #8673 and #8674 (misc defect fixes), 239 * #8429 (Split word.py file into 4 files), 240 * #8604 (Add a class for factorenumerable words), 241 * #8407 and #8670 (new methods for word paths), 242 * #8287 (_check makes it slower), 243 * #8431 (Rauzy fractal (discrete planes and broken lines) 253 244 254 245 * 2009: