On Schauder equivalence relations
Copyright policy )On Schauder equivalence relations
AbstractWe study Schauder equivalence relations, which are Borel equivalence relations induced by actions of Banach spaces with Schauder bases. Firstly, we show that and are minimal Schauder equivalence relations. Then, we prove that neither of them is Borel reducible to the quotient where T is the Tsirelson space. This implies that they cannot form a basis for the Schauder equivalence relations. In addition, we apply an argument of Farah to show that every basis for the Schauder equivalence relations, if such exist, has to be of cardinality .
- Texas A&M University United States
- The University of Texas System United States
Geometry and structure of normed linear spaces, 03E15(Primary), 46B45, 46B15(Secondary), FOS: Mathematics, Mathematics - Logic, Logic (math.LO), Descriptive set theory
Geometry and structure of normed linear spaces, 03E15(Primary), 46B45, 46B15(Secondary), FOS: Mathematics, Mathematics - Logic, Logic (math.LO), Descriptive set theory
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