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Seminar
FIELD Math:Analysis
DATE May 27 (Mon), 2019
TIME 16:00-17:00
PLACE 1423
SPEAKER Youngjoon Hong
HOST Jeong, In-Jee
INSTITUTE San Diego State University
TITLE How to handle a small parameter in numerical computations?
ABSTRACT

Especially since high-speed computers have become readily available, there has been enormous effort to develop discrete numerical methods to approximate continuous solutions of partial differential equations. One of the more difficult situations that can arise is when small parameters other than those appearing in the discretization are involved. Such singular or boundary perturbation problems arise all too frequently in practice. To achieve accurate numerical approximations in this situation can be daunting, as it is often computationally prohibitive to take the discretization small compared to the already existing small parameters in the problem.

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