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Objective: We survey the circumstances relating to service dogs in medical facilities every three years since 2008.We report the change over a 12-year period.Method: The fifth questionnaire was sent out to nursing directors at 212 hospitals in Hyogo Prefecture and 205 in Fukuoka, Japan in October and November 2020. To avoid the risk of COVID-19 infection, the responses were collected on the web.

In this paper we study the geometric structure of affine Deligne-Lusztig varieties X λ (b) for GL3 and b basic. We completely determine the irreducible components of the affine Deligne-Lusztig variety. In particular, we classify the cases where all of the irreducible components are classical Deligne-Lusztig varieties times finite-dimensional affine spaces. If this is the case, then the irreducible components are pairwise disjoint.as k-varieties, where A is a finite-dimensional affine space and K i is the stabilizer of a lattice under the action of J 1 .(ii) If b has the newton vector of the form ( i 3 , i 3 , i 3 ) (i = 1, 2), then we have

In this paper we study the geometric structure of affine Deligne-Lusztig varieties X λ (b) for GL n and b basic. Motivated by [9] and [2], we consider a new condition on λ. If this is satisfied, then X λ (b) is the disjoint union of classical Deligne-Lusztig varieties times finite-dimensional affine spaces.