Dylan Zhu
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### Questions (26)

 5 How to derive a union of sets as a disjoint union? 3 Does Change of Numeraire same as Change of Measure? 3 How to prove this function is continuous 2 The definition of Borel sigma algebra 2 For $0 \le x \le 1 , p\gt 1$, prove $1 \over2^{p-1}$ $\le x^p +(1-x)^p \le 1$.

### Reputation (186)

 +15 Does Change of Numeraire same as Change of Measure? +5 Show $L$ is not a stopping time +5 What is the meaning of Common Support here +5 The definition of Borel sigma algebra

 1 Stochastic in finance 1 Finding all permutations containing B elements from a set of size A elements 1 Probability help! 0 Borel sets defined for closed sets 0 Find the period of the related function

### Tags (25)

 1 probability × 12 0 real-analysis × 10 1 stochastic-processes × 6 0 measure-theory × 9 1 statistics × 4 0 calculus × 7 1 permutations 0 stochastic-integrals × 3 1 combinatorics 0 elementary-set-theory × 2

### Accounts (6)

 Mathematics 186 rep 11 English Language & Usage 33 rep 15 Writers 33 rep 4 Quantitative Finance 21 rep 3 MathOverflow 1 rep 1