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The Ostrovsky Hunter equation with a space dependent flux function
Numerical Analysis · Submitted 20 Dec 2018
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Our main results are that if the flux function is twice differentiable, then there exists a unique entropy solution.
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The abstract, sentence by sentence
We study the periodic Ostrovsky-Hunter equation in the case where the flux function may depend on the spatial variable. Our main results are that if the flux function is twice differentiable, then there exists a unique entropy solution. This entropy solution may be constructed as a limit of approximate solutions generated by a finite volume scheme, and the finite volume approximations converge to the entropy solution at a rate 1/2.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We study the periodic Ostrovsky-Hunter equation in the case where the flux function may depend on the spatial variable. | contribution 0.71 | 0.77 | 0.03 | asserted 0.71 |
| s1 | Our main results are that if the flux function is twice differentiable, then there exists a unique entropy solution. | result 1.00 | 0.92 | 0.86 | asserted 1.00 |
| s2 | This entropy solution may be constructed as a limit of approximate solutions generated by a finite volume scheme, and the finite volume approximations converge to the entropy solution at a rate 1/2. | result 0.86 | 0.88 | 0.28 | hedged possibility 0.64 |
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Original abstract
We study the periodic Ostrovsky-Hunter equation in the case where the flux function may depend on the spatial variable. Our main results are that if the flux function is twice differentiable, then there exists a unique entropy solution. This entropy solution may be constructed as a limit of approximate solutions generated by a finite volume scheme, and the finite volume approximations converge to the entropy solution at a rate 1/2.
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States the same result 1 paper
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Our main results are that if the flux function is smooth enough (specified later), then there exists a unique entropy solution.
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