While Googling something or other, I came across Nine Chapters on the Semigroup Art, which is a leisurely introduction to the theory of semigroups. (While the document is labelled “lecture notes”, the typography is quite beautiful.) Happy New Year! The publici…
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For any mathematical topic there ought to be a place on the web where you can find a brief description (encyclopedia entry) of the topic, together with annotated links to survey papers, research papers etc. Today, only a few such sites exist, created independe…