olemus
reaalarv \(r\), mis rahuldab mingit
täisarvuliste kordajatega algebralist võrrandit \(f ( r )=0\)
=
a number that is a root of a non-zero polynomial in one variable with integer coefficients

ülevaateid
https://www.mathsisfun.com/numbers/algebraic-numbers.html

https://encyclopediaofmath.org/wiki/Algebraic_number

https://en.wikipedia.org/wiki/Algebraic_number

https://people.math.harvard.edu/~mazur/preprints/algebraic.numbers.April.30.pdf

https://www.maths.tcd.ie/pub/Maths/Courseware/428/Primes-III.pdf