Changes between Version 44 and Version 47 of Ticket #9972
- Timestamp:
- 10/23/10 21:22:41 (9 years ago)
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Ticket #9972
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needs_work
toneeds_review
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Authors
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Andrey Novoseltsev
toAndrey Novoseltsev, Volker Braun
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Volker Braun
toVolker Braun, Andrey Novoseltsev
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implement preimage_cones
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Ticket #9972 – Description
v44 v47 1 This patchadds a module for fan morphisms - morphisms between lattices with specified fans in the domain and codomain, which are compatible with this morphism. Compatibility check and automatic construction of the codomain fan or refinement of the domain fan are implemented.1 This ticket adds a module for fan morphisms - morphisms between lattices with specified fans in the domain and codomain, which are compatible with this morphism. Compatibility check and automatic construction of the codomain fan or refinement of the domain fan are implemented. 2 2 3 See #9604 for prerequisites. 3 Patch order (applies cleanly to sage-4.6.rc0): 4 1. [attachment:trac_9972_add_cone_embedding.patch] 5 1. [attachment:trac_9972_improve_element_constructors.patch] 6 1. [attachment:trac_9972_remove_enhanced_cones_and_fans.patch] 7 1. [attachment:trac_9972_add_fan_morphisms.patch] 8 1. [attachment:trac_9972_fix_fan_warning.patch]