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2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry book bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-type-theory cohomology colimits combinatorics complex complex-geometry computable-mathematics computer-science constructive cosmology definitions deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry digraphs duality elliptic-cohomology enriched fibration foundation foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry graph graphs gravity grothendieck group group-theory harmonic-analysis higher higher-algebra higher-category-theory higher-differential-geometry higher-geometry higher-lie-theory higher-topos-theory homological homological-algebra homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology nforum nlab noncommutative noncommutative-geometry number-theory of operads operator operator-algebra order-theory pages pasting philosophy physics pro-object probability probability-theory quantization quantum quantum-field quantum-field-theory quantum-mechanics quantum-physics quantum-theory question representation representation-theory riemannian-geometry scheme schemes set set-theory sheaf simplicial space spin-geometry stable-homotopy-theory stack string string-theory superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

1. • CommentRowNumber1.
   • CommentAuthorTobyBartels
   • CommentTimeJul 9th 2012
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   Author: TobyBartels
   Format: MarkdownItexI moved some material from [[state]] to create [[pure state]] (redirect from [[mixed state]]).

   I moved some material from state to create pure state (redirect from mixed state).

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeJul 10th 2012
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   Author: Urs
   Format: MarkdownItexThanks, that's good. I recently also thought that we should have a dedicated entry on this.

   Thanks, that’s good. I recently also thought that we should have a dedicated entry on this.

3. • CommentRowNumber3.
   • CommentAuthorTobyBartels
   • CommentTimeJul 14th 2012
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   Author: TobyBartels
   Format: MarkdownItexThe Idea section referred to a partial order on states, so I decided that I should probably define it. I followed my intuition and verified that it appears in the literature (at least in the classical case). But it's not really very helpful.

   The Idea section referred to a partial order on states, so I decided that I should probably define it. I followed my intuition and verified that it appears in the literature (at least in the classical case). But it’s not really very helpful.