identity parameter

  • 121New Chronology (Fomenko-Nosovsky) — The New Chronology is a rewriting of world chronology, based on the contention that conventional chronology is fundamentally flawed. The central concepts of the New Chronology are derived from the ideas of Nikolai Morozov,cite… …

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  • 122Graftal — A graftal or L system is a formal grammar used in computer graphics to recursively define branching tree and plant shapes in a compact format. The shape is defined by a string of symbols constructed by a graftal grammar. A graftal grammar… …

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  • 123List of matrices — This page lists some important classes of matrices used in mathematics, science and engineering: Matrices in mathematics*(0,1) matrix a matrix with all elements either 0 or 1. Also called a binary matrix . *Adjugate matrix * Alternant matrix a… …

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  • 124Matrix mechanics — Quantum mechanics Uncertainty principle …

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  • 125Abuse of notation — In mathematics, abuse of notation occurs when an author uses a mathematical notation in a way that is not formally correct but that seems likely to simplify the exposition (while being unlikely to introduce errors or cause confusion). Abuse of… …

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  • 126Tomita–Takesaki theory — In the theory of von Neumann algebras, a part of the mathematical field of functional analysis, Tomita–Takesaki theory is a method for constructing modular automorphisms of von Neumann algebras from the polar decomposition of a certain involution …

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  • 127Envelope theorem — The envelope theorem is a basic theorem used to solve maximization problems in microeconomics. It may be used to prove Hotelling s lemma, Shephard s lemma, and Roy s identity. The statement of the theorem is:Consider an arbitrary maximization… …

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  • 128Random permutation statistics — The statistics of random permutations, such as the cycle structure of a random permutation are of fundamental importance in the analysis of algorithms, especially of sorting algorithms, which operate on random permutations. Suppose, for example,… …

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