An ill-posed problem for a strictly hyperbolic equation in two unknowns near a corner

Author:
Stanley Osher

Journal:
Bull. Amer. Math. Soc. **80** (1974), 705-708

MSC (1970):
Primary 35L50, 35L30; Secondary 78A45

MathSciNet review:
0338574

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References | Similar Articles | Additional Information

**1.**Heinz-Otto Kreiss,*Initial boundary value problems for hyperbolic systems*, Comm. Pure Appl. Math.**23**(1970), 277–298. MR**0437941****2.**Stanley Osher,*Initial-boundary value problems for hyperbolic systems in regions with corners. I*, Trans. Amer. Math. Soc.**176**(1973), 141–164. MR**0320539**, 10.1090/S0002-9947-1973-0320539-5**3.**Stanley Osher,*Initial-boundary value problems for hyperbolic systems in regions with corners. I*, Trans. Amer. Math. Soc.**176**(1973), 141–164. MR**0320539**, 10.1090/S0002-9947-1973-0320539-5**4.**Stanley Osher,*An ill posed problem for a hyperbolic equation near a corner*, Bull. Amer. Math. Soc.**79**(1973), 1043–1044. MR**0350211**, 10.1090/S0002-9904-1973-13324-5**5.**L. Sarason and J. A. Smoller,*Geometrical optics and the corner problem*, Arch. Rational Mech. Anal.**56**(1974/75), 34–69. MR**0346334****6.**Gilbert Strang,*Hyperbolic initial-boundary value problems in two unknowns*, J. Differential Equations**6**(1969), 161–171. MR**0239276**

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DOI:
https://doi.org/10.1090/S0002-9904-1974-13559-7