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  2. Topological algebra - Wikipedia

    en.wikipedia.org/wiki/Topological_algebra

    A topological algebra over a topological field is a topological vector space together with a bilinear multiplication ⋅ : A × A → A {\displaystyle \cdot :A\times A\to A} , ( a , b ) ↦ a ⋅ b {\displaystyle (a,b)\mapsto a\cdot b}

  3. Algebraic topology - Wikipedia

    en.wikipedia.org/wiki/Algebraic_topology

    Algebraic topology is a branch of mathematics that uses tools from abstract algebra to study topological spaces. The basic goal is to find algebraic invariants that classify topological spaces up to homeomorphism , though usually most classify up to homotopy equivalence .

  4. Topology - Wikipedia

    en.wikipedia.org/wiki/Topology

    A three-dimensional model of a figure-eight knot.The figure-eight knot is a prime knot and has an Alexander–Briggs notation of 4 1.. Topology (from the Greek words τόπος, 'place, location', and λόγος, 'study') is the branch of mathematics concerned with the properties of a geometric object that are preserved under continuous deformations, such as stretching, twisting, crumpling ...

  5. Topology and Its Applications - Wikipedia

    en.wikipedia.org/wiki/Topology_and_its_Applications

    It was established in 1971 as General Topology and Its Applications, and renamed to its current title in 1980. The journal currently publishes 18 issues each year in one volume. It is indexed by Scopus, Mathematical Reviews, and Zentralblatt MATH. Its 2004–2008 MCQ was 0.38 and its 2020 impact factor was 0.617. [1]

  6. Combinatorial topology - Wikipedia

    en.wikipedia.org/wiki/Combinatorial_topology

    This corresponds also to the period where homological algebra and category theory were introduced for the study of topological spaces, and largely supplanted combinatorial methods. More recently the term combinatorial topology has been revived for investigations carried out by treating topological objects as composed of pieces as in the older ...

  7. Completion of a ring - Wikipedia

    en.wikipedia.org/wiki/Completion_of_a_ring

    The completion is a functorial operation: a continuous map f: R → S of topological rings gives rise to a map of their completions, ^: ^ ^. Moreover, if M and N are two modules over the same topological ring R and f : M → N is a continuous module map then f uniquely extends to the map of the completions:

  8. Category:Topological algebra - Wikipedia

    en.wikipedia.org/wiki/Category:Topological_algebra

    Download as PDF; Printable version; In other projects ... Pages in category "Topological algebra" The following 8 pages are in this category, out of 8 total.

  9. Stone space - Wikipedia

    en.wikipedia.org/wiki/Stone_space

    In topology and related areas of mathematics, a Stone space, also known as a profinite space [1] or profinite set, is a compact Hausdorff totally disconnected space. [2] Stone spaces are named after Marshall Harvey Stone who introduced and studied them in the 1930s in the course of his investigation of Boolean algebras, which culminated in his representation theorem for Boolean algebras.

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