The Shimurian BT stack is a gerbe over truncated displays
classification
🧮 math.AG
math.NT
keywords
stackdisplaysgerbeshimuriantruncatedconfirmsconjectureconstructed
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We show that the mod $p$ fiber of the Shimurian stack $BT_n^{G,\mu}$ constructed by Gardner--Madapusi is a gerbe over the corresponding stack of truncated displays. This confirms a conjecture of Drinfeld.
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Cited by 1 Pith paper
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Sheared Witt Vectors
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