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On the periods of a periodic function
International Journal of Mathematical Education in Science and Technology, 2005It is known that any nonconstant real-valued periodic function defined on the set of all real numbers is either discontinuous at each point of its domain or has a least positive period. Using the additive semigroup consisting of non-negative periods, we generalize this result by giving a unified proof of the same conclusion when the domain of the given
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Periodic-like words, periodicity, and boxes
Acta Informatica, 2001zbMATH Open Web Interface contents unavailable due to conflicting licenses.
CARPI, Arturo, de Luca A.
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On the Periods of Periodic Motions in Autonomous Systems
Ukrainian Mathematical Journal, 2001Here, the author establishes lower bounds on the periods of periodic solutions to the autonomous system \(\dot x=f(x)\) determined in a partially ordered Banach space \( \langle X,\|\cdot\|,\preceq\rangle\). It is assumed that the mapping \(f:X\mapsto X\) satisfies the condition \({\mathbf m}(f(x_1)-f(x_2))\preceq_E L{\mathbf m}(x_1-x_2)\) for all ...
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1987
The period of production is, or purports to be, a measure of aggregate capital per head. More specifically, it is a theoretical concept which tries to measure an economy’s (heterogeneous) capital stock per head in (homogeneous) units of time.
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The period of production is, or purports to be, a measure of aggregate capital per head. More specifically, it is a theoretical concept which tries to measure an economy’s (heterogeneous) capital stock per head in (homogeneous) units of time.
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Periodicity and Almost-Periodicity
2006Periodicity and almost-periodicity are phenomena which play an important role in most branches of mathematics and in many other sciences. This is a survey paper1 on my work in this area and on related work. I restrict myself to periodicity questions in combinatorics on words (the main dish), but I start with a periodicity problem from number theory ...
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ACM SIGGRAPH 96 Visual Proceedings: The art and interdisciplinary programs of SIGGRAPH '96 on - SIGGRAPH '96, 1996
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