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The Hierarchical Subspace Iteration Method for Laplace-Beltrami Eigenproblems
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Technical Paper
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Research & Education
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Virtual
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DescriptionWe introduce the Hierarchical Subspace Iteration Method (HSIM), a multigrid solver for sparse eigenproblems on surfaces. HSIM executes subspace iterations on a multigrid hierarchy and thereby substantially reduces the computational effort spent on the finest grid. We show that HSIM outperforms state-of-the-art eigensolvers on Laplace-Beltrami eigenproblems.