# A unique continuation theorem for the wave equation in the exterior of a characteristic cone

Séminaire Équations aux dérivées partielles (Polytechnique) (1982-1983)

- page 1-10

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topFriedlander, F. G.. "A unique continuation theorem for the wave equation in the exterior of a characteristic cone." Séminaire Équations aux dérivées partielles (Polytechnique) (1982-1983): 1-10. <http://eudml.org/doc/111833>.

@article{Friedlander1982-1983,

author = {Friedlander, F. G.},

journal = {Séminaire Équations aux dérivées partielles (Polytechnique)},

keywords = {unique continuation; wave equation; characteristic cone; Cauchy problem; improperly posed; characteristic Goursat problems},

language = {eng},

pages = {1-10},

publisher = {Ecole Polytechnique, Centre de Mathématiques},

title = {A unique continuation theorem for the wave equation in the exterior of a characteristic cone},

url = {http://eudml.org/doc/111833},

year = {1982-1983},

}

TY - JOUR

AU - Friedlander, F. G.

TI - A unique continuation theorem for the wave equation in the exterior of a characteristic cone

JO - Séminaire Équations aux dérivées partielles (Polytechnique)

PY - 1982-1983

PB - Ecole Polytechnique, Centre de Mathématiques

SP - 1

EP - 10

LA - eng

KW - unique continuation; wave equation; characteristic cone; Cauchy problem; improperly posed; characteristic Goursat problems

UR - http://eudml.org/doc/111833

ER -

## References

top- [1] M.S. Baouendi and E.C. Zachmanoglou: Unique continuation theorems for solutions of partial differential equations. Bull. Amer. Math. Soc.83 (1977) 1045-1047. Zbl0404.35003MR466890
- [2] F.G. Friedlander: On an improperly posed characteristic initial value problem. J. Math. Mech. (Indiana J.)16 (1967) 907-916. Zbl0149.06502MR225024
- [3] F.G. Friedlander: The wave equation on a curved space-time, Cambridge, 1975. Zbl0316.53021MR460898
- [4] L. Hörmander: Uniqueness theorems and wave front sets for solutions of linear differential equations with analytic coefficients, Comm. Pure Appl. Math.26 (1971) 671-704. Zbl0226.35019MR294849
- [5] F. John: On linear partial differential equations with analytic coefficients. Unique continuation of data. Comm. Pure Appl. Math.2 (1949) 209-253. Zbl0035.34601MR36930

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