PDE Seminar Abstracts

Pablo Álvarez
Caudevilla

Universidad Carlos III de Madrid, Spain

Mon 8 August 2011 2-3pm, Eastern Avenue Seminar Room 405

Universidad Carlos III de Madrid, Spain

Mon 8 August 2011 2-3pm, Eastern Avenue Seminar Room 405

In this talk we will discuss different aspects of the Cauchy problem of a class of fourth order thin film equation of the form ${u}_{t}=\Delta \cdot (\left(|u{|}^{n}\nabla \Delta u\right)$. We will show recent results in which we obtained a countable number of similarity solutions of the thin film equation via a homotopy transformation as $n\to 0+$ to the similarity solutions of the classic bi-harmonic equation ${u}_{t}={\Delta}^{2}u$. Also, another similar homotopic approach is performed directly from the thin film equation to the parabolic bi-harmonic equation in order to obtain important properties for the Cauchy problem. This is a joint work with Prof. Victor. A. Galaktionov at the University of Bath (UK).

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