## Abstract In this paper, the global existence and uniqueness of smooth solution to the initial‐value problem for coupled non‐linear wave equations are studied using the method of a priori estimates.
Global solution and smoothing effect for a non-local regularization of a hyperbolic equation
✍ Scribed by J. Droniou; T. Gallouët; J. Vovelle
- Publisher
- Springer
- Year
- 2003
- Tongue
- English
- Weight
- 226 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1424-3199
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📜 SIMILAR VOLUMES
## Abstract We study the initial value problem where $ \|u(\cdot,t)\| = \int \nolimits ^ {\infty} \_ {- \infty}\varphi(x) | u( x,t ) | {\rm{ d }} x$ with φ(__x__)⩾0 and $ \int \nolimits^{\infty} \_ {-\infty} \varphi (x) \, {\rm{d}}x\,= 1$. We show that solutions exist globally for 0<__p__⩽1, while
In this paper the estimations of the solution and its derivative with respect to t of the initial boundary value problem for the second order hyperbolic type equation in a domain with non-smooth boundary are obtained. The question of smoothness of the generalized solution of the investigated problem