The equation ({∂²/∂𝑥²+∂²/∂𝑦²+({𝑥²+𝑦²})({∂/∂𝑡})})²𝑢+∂²𝑢/∂𝑡²=𝑓, with real coefficients, is “without solutions” (Q5719578)
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scientific article; zbMATH DE number 3182423
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The equation ({∂²/∂𝑥²+∂²/∂𝑦²+({𝑥²+𝑦²})({∂/∂𝑡})})²𝑢+∂²𝑢/∂𝑡²=𝑓, with real coefficients, is “without solutions” |
scientific article; zbMATH DE number 3182423 |
Statements
The equation ({∂²/∂𝑥²+∂²/∂𝑦²+({𝑥²+𝑦²})({∂/∂𝑡})})²𝑢+∂²𝑢/∂𝑡²=𝑓, with real coefficients, is “without solutions” (English)
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1962
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partial differential equations without solutions
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Lewy's operator
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