unbounded interval

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Noun1.unbounded interval - an interval that does not include its endpoints
interval - a set containing all points (or all real numbers) between two given endpoints
References in periodicals archive ?
Wedrychowicz, Mild solutions of semilinear evolution equations on an unbounded interval and their applications, Nonlinear Anal.
Conti, Existence of solutions for quadratic integral equations on unbounded intervals, Far East J.