Finite u Invariant and Bounds on Cohomology Symbol Lengths
classification
🧮 math.AG
math.ACmath.RA
keywords
boundscohomologyfiniteinvariantlengthssymbolanswerdegrees
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In this note we answer a question of Parimala's, showing that fields with finite $u$ invariant have bounds on the symbol lengths in their $\mu_2$ cohomology in all degrees.
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