Free Multiplicities on the moduli of X₃
classification
🧮 math.AC
keywords
modulimultiplicitiesarrangementauthorbeenbrandtderivationsdeveloped
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In this note we study the freeness of the module of derivations on all moduli of the $X_3$ arrangement with multiplicities. We use homological techniques stemming from work of Yuzvinsky, Brandt, and Terao which have recently been developed for multi-arrangements by the first author, Francisco, Mermin, and Schweig.
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