Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Groupoid> ?p ?o }
- Groupoid abstract "In mathematics, especially in category theory and homotopy theory, a groupoid (less often Brandt groupoid or virtual group) generalises the notion of group in several equivalent ways. A groupoid can be seen as a:Group with a partial function replacing the binary operation;Category in which every morphism is invertible. A category of this sort can be viewed as augmented with a unary operation, called inverse by analogy with group theory. Special cases include:Setoids, that is: sets that come with an equivalence relation;G-sets, sets equipped with an action of a group G.Groupoids are often used to reason about geometrical objects such as manifolds. Heinrich Brandt (1927) introduced groupoids implicitly via Brandt semigroups.".
- Groupoid wikiPageExternalLink hdaweb2.htm.
- Groupoid wikiPageExternalLink topgpds.html.
- Groupoid wikiPageExternalLink catalogue.asp?isbn=9780521803090.
- Groupoid wikiPageExternalLink gt.html.
- Groupoid wikiPageExternalLink 0208108.
- Groupoid wikiPageExternalLink Groupoids.ps.
- Groupoid wikiPageExternalLink S0273-0979-06-01108-6.pdf.
- Groupoid wikiPageExternalLink weinstein.pdf.
- Groupoid wikiPageExternalLink groupoidsurvey.pdf.
- Groupoid wikiPageExternalLink models_final.pdf.
- Groupoid wikiPageExternalLink tr7abs.html.
- Groupoid wikiPageID "12543".
- Groupoid wikiPageLength "23750".
- Groupoid wikiPageOutDegree "126".
- Groupoid wikiPageRevisionID "675289018".
- Groupoid wikiPageWikiLink 15_puzzle.
- Groupoid wikiPageWikiLink Associative.
- Groupoid wikiPageWikiLink Associative_property.
- Groupoid wikiPageWikiLink Associativity.
- Groupoid wikiPageWikiLink Bijection.
- Groupoid wikiPageWikiLink Binary_operation.
- Groupoid wikiPageWikiLink Brandt_semigroup.
- Groupoid wikiPageWikiLink Cartesian_closed.
- Groupoid wikiPageWikiLink Cartesian_closed_category.
- Groupoid wikiPageWikiLink Category:Algebraic_structures.
- Groupoid wikiPageWikiLink Category:Category_theory.
- Groupoid wikiPageWikiLink Category:Homotopy_theory.
- Groupoid wikiPageWikiLink Category_(mathematics).
- Groupoid wikiPageWikiLink Category_theory.
- Groupoid wikiPageWikiLink Cayleys_theorem.
- Groupoid wikiPageWikiLink Class_(set_theory).
- Groupoid wikiPageWikiLink Cohomology.
- Groupoid wikiPageWikiLink Connected_(category_theory).
- Groupoid wikiPageWikiLink Connected_category.
- Groupoid wikiPageWikiLink Connected_space.
- Groupoid wikiPageWikiLink Continuous_function.
- Groupoid wikiPageWikiLink Continuous_function_(topology).
- Groupoid wikiPageWikiLink Coset.
- Groupoid wikiPageWikiLink Covering_map.
- Groupoid wikiPageWikiLink Covering_morphism.
- Groupoid wikiPageWikiLink Covering_of_groupoids.
- Groupoid wikiPageWikiLink Covering_space.
- Groupoid wikiPageWikiLink Differentiable_structure.
- Groupoid wikiPageWikiLink Differential_structure.
- Groupoid wikiPageWikiLink Disjoint_union.
- Groupoid wikiPageWikiLink Empty_set.
- Groupoid wikiPageWikiLink Endomorphism.
- Groupoid wikiPageWikiLink Equivalence_class.
- Groupoid wikiPageWikiLink Equivalence_of_categories.
- Groupoid wikiPageWikiLink Equivalence_relation.
- Groupoid wikiPageWikiLink Equivalent_categories.
- Groupoid wikiPageWikiLink Fibration.
- Groupoid wikiPageWikiLink Field_(algebra).
- Groupoid wikiPageWikiLink Field_(mathematics).
- Groupoid wikiPageWikiLink Fifteen_puzzle.
- Groupoid wikiPageWikiLink Function_(mathematics).
- Groupoid wikiPageWikiLink Function_composition.
- Groupoid wikiPageWikiLink Functor.
- Groupoid wikiPageWikiLink Functor_category.
- Groupoid wikiPageWikiLink Fundamental_group.
- Groupoid wikiPageWikiLink Fundamental_groupoid.
- Groupoid wikiPageWikiLink G-set.
- Groupoid wikiPageWikiLink Galois_groupoid.
- Groupoid wikiPageWikiLink Galois_theory.
- Groupoid wikiPageWikiLink General_linear_group.
- Groupoid wikiPageWikiLink Geometrical.
- Groupoid wikiPageWikiLink Geometry.
- Groupoid wikiPageWikiLink Graph_of_groups.
- Groupoid wikiPageWikiLink Group_(algebra).
- Groupoid wikiPageWikiLink Group_(mathematics).
- Groupoid wikiPageWikiLink Group_action.
- Groupoid wikiPageWikiLink Group_homomorphism.
- Groupoid wikiPageWikiLink Group_isomorphism.
- Groupoid wikiPageWikiLink Group_theory.
- Groupoid wikiPageWikiLink Grushko_theorem.
- Groupoid wikiPageWikiLink Grushkos_theorem.
- Groupoid wikiPageWikiLink Homotopic.
- Groupoid wikiPageWikiLink Homotopy.
- Groupoid wikiPageWikiLink Homotopy_theory.
- Groupoid wikiPageWikiLink Identity_(mathematics).
- Groupoid wikiPageWikiLink Identity_matrix.
- Groupoid wikiPageWikiLink If_and_only_if.
- Groupoid wikiPageWikiLink Infix.
- Groupoid wikiPageWikiLink Inverse_(mathematics).
- Groupoid wikiPageWikiLink Inverse_category.
- Groupoid wikiPageWikiLink Inverse_semigroup.
- Groupoid wikiPageWikiLink Invertible_matrix.
- Groupoid wikiPageWikiLink Isomorphic_categories.
- Groupoid wikiPageWikiLink Isomorphism.
- Groupoid wikiPageWikiLink Isomorphism_of_categories.
- Groupoid wikiPageWikiLink John_Horton_Conway.
- Groupoid wikiPageWikiLink Lie_algebra.
- Groupoid wikiPageWikiLink Lie_algebroid.
- Groupoid wikiPageWikiLink Lie_group.
- Groupoid wikiPageWikiLink Lie_groupoid.
- Groupoid wikiPageWikiLink Manifold.
- Groupoid wikiPageWikiLink Map_(mathematics).
- Groupoid wikiPageWikiLink Marty_Golubitsky.
- Groupoid wikiPageWikiLink Mathematics.