Complex number > Related Articles

From Citizendium, the Citizens' Compendium

See also pages that link to Complex number or to this page.

---

Parent topics

• Number [r]: One of the fundamental concepts of mathematics, used for such purposes as counting, ordering, and measuring. [e]
• Quaternions [r]: Numbers of form a + bi + cj + dk, where a, b, c and d are real, and i² = −1, j² = −1 and k² = −1. [e]

Subtopics

• Real number [r]: A limit of the Cauchy sequence of rational numbers. [e]
• Transcendental number [r]: A number which is not algebraic: that is, does not satisfy any polynomial with integer or rational coefficients. [e]
• Algebraic number [r]: A complex number that is a root of a polynomial with rational coefficients. [e]
• Gaussian integer [r]: A number of the form a + bi, where a and b are integers. [e]

Other related topics

• Complex analysis [r]: Field of mathematics that studies those aspects of analysis unique to functions on the complex plane. [e]
• Fundamental Theorem of Algebra [r]: Any nonconstant polynomial whose coefficients are complex numbers has at least one complex number as a root. [e]