- See also
- References
A complex number is said to be hypertranscendental if it is not the value at an algebraic point of a function which is the solution of an algebraic differential equation with coefficients in Z[r] and with algebraic initial conditions.
The term was introduced by D. D. Morduhai-Boltovskoi in "Hypertranscendental numbers and hypertranscendental functions" (1949).
The term is related to transcendental numbers, which are numbers which are not a solution of a non-zero polynomial equation with rational coefficients. The number e is transcendental but not hypertranscendental, as it can be generated from the solution to the differential equation 
.
Any hypertranscendental number is also a transcendental number.
See also
- Hypertranscendental function
References
- {{cite journal| last=Mordukhai-Boltovskoi | first=Dmitrii Dmitrievich | year=1949 | title=[Hypertranscendental numbers and hypertranscendental functions] | journal=Doklady Akademii Nauk SSSR | volume=64 | pages=21–24}}
- Hiroshi Umemura, "On a class of numbers generated by differential equations related with algebraic groups", Nagoya Math. Journal. Volume 133 (1994), 1-55. (Downloadable from ProjectEuclid)
1 : Transcendental numbers
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