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“School of Mathematics”

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Paper   IPM / M / 16086
School of Mathematics
  Title:   On cuts in ultraproducts of linear orders I
  Author(s):  Mohammad Golshani (Joint with S. Shelah)
  Status:   Published
  Journal: J. Math. Log.
  Year:  2016
  Pages:   DOI: 10.1142/S0219061316500082
  Supported by:  IPM
  Abstract:
For an ultrafilter D on a cardinal κ, we wonder for which pair (θ1, θ2) of regular cardinals, we have: for any (θ12)+−saturated dense linear order J, Jκ/ D has a cut of cofinality (θ1, θ2). We deal mainly with the case θ1, θ2 > 2\k.

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