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Algebraically closed: Difference between revisions

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A [[field]] is said to be '''algebraically closed''' if any nonconstant [[polynomial]] with [[coefficient]]s in the field also has a [[root]] in the field. The field of [[complex number]]s, denoted <math>\mathbb{C}</math>, is a well-known example of an algebraically closed field.  
In [[abstract algebra]], a [[field]] is said to be '''algebraically closed''' if any nonconstant [[polynomial]] with [[coefficient]]s in the field also has a [[root]] in the field. The field of [[complex number]]s, denoted <math>\mathbb{C}</math>, is a well-known example of an algebraically closed field.  


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[[Category:Field theory]]

Latest revision as of 16:17, 12 March 2014

In abstract algebra, a field is said to be algebraically closed if any nonconstant polynomial with coefficients in the field also has a root in the field. The field of complex numbers, denoted $\mathbb{C}$, is a well-known example of an algebraically closed field.

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