Dodecahedral Faces of M12 Front for the Mathematics ArXiv - retrieves academic articles and papers.
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Preprints on Conservation Laws - the main focus is on mathematical analysis and numerical methods. R.E. Riker's Math Page Representations and Cohomology Preprint Archive Unified Analysis - papers that explore a new point of view on the calculus, inspired by the realization that a stronger definition of the limit can banish divergence from the logical foundations of the subject.