Potentially stably rational del Pezzo surfaces over nonclosed fields
classification
🧮 math.AG
keywords
surfacespezzoactionsclassifycohomologicaldegreesfieldsgalois
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We classify Galois actions on Picard lattices of del Pezzo surfaces of degrees 1,2, and 3 giving rise to minimal surfaces with no cohomological obstructions to stable rationality.
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