My research field is mathematical logic, more specifically set theory and nonstandard models of Peano arithmetic.
14 Does the existence of the von Neumann hierarchy in models of Zermelo set theory with foundation imply that every set has ordinal rank? sep 1 '13
13 Very Large Cardinal Axioms and Continuum Hypothesis jan 22 '14
8 If an oracle Turing machine halts with every infinite arithmetic oracle, can it fail to halt with some non-arithmetic oracle? sep 4 '13
7 Weakly Compact Cardinal and Iterability feb 18 '14
7 questions about worldly cardinals mar 24 '14
7 Preservation of properness jan 10