COMPARISON BETWEEN USUAL AND VECTOR TIME DERIVATIVES
We prove two comparison theorems between the time derivative of a real function $u(x, t)$ such that $u(\cdot,t)$ belongs to L$^1 (\Omega)$ for all $t$, and the time derivative of the vector function $\skew2\hat{u}(t) = u(\cdot, t)$.
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| Veröffentlicht in: | Glasgow mathematical journal 2003-01, Vol.45 (1), p.167-172, Article S001708950200112X |
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| container_title | Glasgow mathematical journal |
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| creator | LÓPEZ-POUSO, ÓSCAR |
| description | We prove two comparison theorems between the time derivative of a real function $u(x, t)$ such that $u(\cdot,t)$ belongs to L$^1 (\Omega)$ for all $t$, and the time derivative of the vector function $\skew2\hat{u}(t) = u(\cdot, t)$. |
| doi_str_mv | 10.1017/S001708950200112X |
| format | Article |
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| ispartof | Glasgow mathematical journal, 2003-01, Vol.45 (1), p.167-172, Article S001708950200112X |
| issn | 0017-0895 1469-509X |
| language | eng |
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| source | EZB-FREE-00999 freely available EZB journals; Cambridge University Press Journals Complete |
| subjects | 47D03 47H20 |
| title | COMPARISON BETWEEN USUAL AND VECTOR TIME DERIVATIVES |
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