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
14 Very Large Cardinal Axioms and Continuum Hypothesis jan 22 '14
8 questions about worldly cardinals mar 24 '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 A well-behaved $A$ that is almost contained in every element of some filter for a countable arithmetically closed family $\mathfrak X$ sep 7 '13
7 Weakly Compact Cardinal and Iterability feb 18 '14
7 Preservation of properness jan 10