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  2. Silverman–Toeplitz theorem - Wikipedia

    en.wikipedia.org/wiki/SilvermanToeplitz_theorem

    In mathematics, the SilvermanToeplitz theorem, first proved by Otto Toeplitz, is a result in series summability theory characterizing matrix summability methods that are regular. A regular matrix summability method is a linear sequence transformation that preserves the limits of convergent sequences . [ 1 ]

  3. Otto Toeplitz - Wikipedia

    en.wikipedia.org/wiki/Otto_Toeplitz

    In 1913 Toeplitz became an extraordinary professor at the University of Kiel. He was promoted to a professor in 1920. In 1911, Toeplitz proposed the inscribed square problem: Does every Jordan curve contain an inscribed square? This has been established for convex curves and smooth curves, but the question remains open in general (2007).

  4. Toeplitz matrix - Wikipedia

    en.wikipedia.org/wiki/Toeplitz_matrix

    is called a Toeplitz system if is a Toeplitz matrix. If A {\displaystyle A} is an n × n {\displaystyle n\times n} Toeplitz matrix, then the system has at most only 2 n − 1 {\displaystyle 2n-1} unique values, rather than n 2 {\displaystyle n^{2}} .

  5. Toeplitz - Wikipedia

    en.wikipedia.org/wiki/Toeplitz

    Toeplitz algebra, the C*-algebra generated by the unilateral shift on the Hilbert space; Toeplitz Hash Algorithm, used in many network interface controllers; Hellinger–Toeplitz theorem, an everywhere defined symmetric operator on a Hilbert space is bounded; SilvermanToeplitz theorem, characterizing matrix summability methods which are regular

  6. Hilbert's sixth problem - Wikipedia

    en.wikipedia.org/wiki/Hilbert's_sixth_problem

    Hilbert’s sixth problem was a proposal to expand the axiomatic method outside the existing mathematical disciplines, to physics and beyond. This expansion requires development of semantics of physics with formal analysis of the notion of physical reality that should be done. [9]

  7. List of theorems - Wikipedia

    en.wikipedia.org/wiki/List_of_theorems

    Siegel–Walfisz theorem (analytic number theory) SilvermanToeplitz theorem (mathematical analysis) Simplicial approximation theorem (algebraic topology) Sinkhorn's theorem (matrix theory) Sion's minimax theorem (game theory) Sipser–Lautemann theorem (probabilistic complexity theory) (structural complexity theory)

  8. Inscribed square problem - Wikipedia

    en.wikipedia.org/wiki/Inscribed_square_problem

    The inscribed square problem, also known as the square peg problem or the Toeplitz' conjecture, is an unsolved question in geometry: Does every plane simple closed curve contain all four vertices of some square? This is true if the curve is convex or piecewise smooth and in other special cases. The problem was proposed by Otto Toeplitz in 1911. [1]

  9. Szegő limit theorems - Wikipedia

    en.wikipedia.org/wiki/Szegő_limit_theorems

    In mathematical analysis, the Szegő limit theorems describe the asymptotic behaviour of the determinants of large Toeplitz matrices. [ 1 ] [ 2 ] [ 3 ] They were first proved by Gábor Szegő . Notation