A sign-changing-adapted CEM-GMsFEM with auxiliary-space modifications, shown numerically effective and theoretically stable under T-coercivity plus technical assumptions.
Chaumont-Frelet and B
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Adapts CEM-GMsFEM to sign-changing coefficients for EM waves, establishing inf-sup stability and a priori error estimates via T-coercivity and resolution conditions.
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Multiscale modeling for a class of high-contrast heterogeneous sign-changing problems
A sign-changing-adapted CEM-GMsFEM with auxiliary-space modifications, shown numerically effective and theoretically stable under T-coercivity plus technical assumptions.
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Multiscale Methods for wave propagation in materials with sign-changing coefficients
Adapts CEM-GMsFEM to sign-changing coefficients for EM waves, establishing inf-sup stability and a priori error estimates via T-coercivity and resolution conditions.