Changes between Version 182 and Version 183 of Ticket #18528
- Timestamp:
- 08/03/20 10:16:16 (22 months ago)
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Ticket #18528 – Description
v182 v183 26 26 - `ModulesWithBasis.linear_combination` should be a method of `Modules`: #30179 ''(merged in Sage 9.2.beta7)'' 27 27 - Immutable elements of `FreeModuleTensor`: #30181 28 - `FiniteRankFreeModule` needs `__classcall__`: #30169 29 - Extend `FreeModule` factory to construction of `FiniteRankFreeModule` and `CombinatorialFreeModule`: #30194 30 - Submodules of `TensorFreeModule` defined by the symmetries of a `Components` object: #30229 31 - Add construction methods to `FiniteRankFreeModule` and `CombinatorialFreeModule`: #30235 32 - New implementation class `FiniteRankDualFreeModule`: #30241 33 - Make `ExtPowerFreeModule` a quotient of `TensorFreeModule`: #30242 34 - `FreeModuleAutomorphism` should not inherit from `FreeModuleTensor`: #30245 35 - `FiniteRankFreeModule`: Simplify unique representation code for dependent modules: #30250 36 - Simplify `_repr_` of `ExtPowerFreeModule` and `ExtPowerDualFreeModule`: #30251 37 - `TensorFreeModule._an_element_`: Create a default basis in the base module if necessary: #30254 38 - `FiniteRankFreeModule`: Move all module identifications to methods `exterior_power`, `dual_exterior_power`, `tensor_module`: #30255 39 - Use `_matmul_` operator (@): #30244 40 - Phased permutation groups: #30276 28 41 29 42 == Topological and differential part == … … 40 53 - add a bit of typing to manifold code: #29775 41 54 - add manifold orientability and compactness: #30178 55 - Coercion/conversion `SR` to `ScalarFieldAlgebra`: #30232 56 - Immutability for scalar fields: #30266 57 - Coercion via restriction of chart functions: #30267 42 58 - '''Differentiable manifolds''' (over '''R''', '''C''' or a non-discrete topological field K): 43 59 - basics (charts, transition maps, scalar fields, morphisms): #18783 ''(merged in Sage 7.3.beta2)'' … … 72 88 - Action for bundle connections: #30209 73 89 - Declare sections with name only: #30228 ''(merged in Sage 9.2.beta7)'' 90 - List assignment for bundle connections: #30208 91 - Immutability for manifold objects: #30261 92 - Mixed forms: `set_comp`, `comp`: #30272 74 93 - '''Complex and almost complex manifolds:''' 75 94 - almost complex structures through Hodge structures: #18786 … … 88 107 - More control on the numerical ODE solver for integrated curves and geodesics: #28707 ''(merged in Sage 9.0.beta6)'' 89 108 - Add `EuclideanSpace` to category of metric spaces: #30062 ''(merged in Sage 9.2.beta7)'' 90 - Add sphere and hyperbolic space permanently: #3018 1109 - Add sphere and hyperbolic space permanently: #30189 91 110 - '''Lie groups:''' 92 111 - Nilpotent Lie groups: #26344 ''(merged in Sage 8.4.rc0)'' … … 161 180 - Replace `__eq__` by `_richcmp_` for manifolds: #30116 162 181 - Trivial coercion `Modules(QQ)(FiniteRankFreeModule(QQ, 3))` fails: #30174 182 - Failed conversion yields unconclusive error message: #30191 ''(merged in Sage 9.2.beta7)'' 183 - `declare_union` yields wrong results: #30263 184 - Replace `AssertionError` with `ValueError` when immutable elements are tried to be changed: #30275