複ふく素そ区く間かん

noun

complex interval

Rare mathematical term referring to an interval in the complex plane, likely used in specialized contexts such as complex analysis or interval arithmetic.

• 複ふく素そ区く間かんの概がい念ねんは、複ふく素そ解かい析せきの一いち部ぶの分ぶん野やで用もちいられる。

  The concept of complex intervals is used in some areas of complex analysis.