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・ Transcendental equation
・ Transcendental function
・ Transcendental Highway
・ Transcendental homelessness
・ Transcendental humanism
・ Transcendental idealism
・ Transcendental law of homogeneity
・ Transcendental Medication
・ Transcendental Meditation
・ Transcendental Meditation in education
・ Transcendental Meditation movement
・ Transcendental Meditation technique
・ Transcendental model (contextual theology)
・ Transcendental Model 1-G
・ Transcendental number
Transcendental number theory
・ Transcendental perspectivism
・ Transcendental philosophy
・ Transcendental realism
・ Transcendental Students
・ Transcendental theology
・ Transcendental whistling
・ Transcendental Wild Oats
・ Transcendental Youth
・ Transcendental Étude (disambiguation)
・ Transcendental Étude No. 1 (Liszt)
・ Transcendental Étude No. 10 (Liszt)
・ Transcendental Étude No. 11 (Liszt)
・ Transcendental Étude No. 12 (Liszt)
・ Transcendental Étude No. 2 (Liszt)


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Transcendental number theory : ウィキペディア英語版
Transcendental number theory
Transcendental number theory is a branch of number theory that investigates transcendental numbers, in both qualitative and quantitative ways.
==Transcendence==
(詳細はfundamental theorem of algebra tells us that if we have a non-zero polynomial with integer coefficients then that polynomial will have a root in the complex numbers. That is, for any polynomial ''P'' with integer coefficients there will be a complex number α such that ''P''(α) = 0. Transcendence theory is concerned with the converse question, given a complex number α, is there a polynomial ''P'' with integer coefficients such that ''P''(α) = 0? If no such polynomial exists then the number is called transcendental.
More generally the theory deals with algebraic independence of numbers. A set of numbers is called algebraically independent over a field ''k'' if there is no non-zero polynomial ''P'' in ''n'' variables with coefficients in ''k'' such that ''P''(α12,…,α''n'') = 0. So working out if a given number is transcendental is really a special case of algebraic independence where our set consists of just one number.
A related but broader notion than "algebraic" is whether there is a closed-form expression for a number, including exponentials and logarithms as well as algebraic operations. There are various definitions of "closed-form", and questions about closed-form can often be reduced to questions about transcendence.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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