Chong Chitat: 1-generic degrees bounding minimal degrees

Invitation to the Logic Seminar at the National University of Singapore

Date: Wednesday, 17 August 2016, 17:00 hrs

Room: S17#04-05, Department of Mathematics, NUS

Speaker: Chong Chitat

Title: 1-generic degrees bounding minimal degrees


1-generic sets are constructed using Cohen forcing while
sets of minimal degree are obtained via perfect set forcing. These are
two incompatible techniques ensuring that the class of 1-generic
degrees is disjoint from the class of minimal degrees. The ordering
relation between members of these two classes is a problem that has
been investigated since the late 1970’s. In this talk we discuss it
from the reverse mathematics point of view.

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