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### Questions (9)

 6 Integral of simple functions in standard and non-standard representation 3 Maximization of a determinant 3 Computational Topology and Lie Group Theory [closed] 3 An inequality about sequences in a $\sigma$-algebra 2 sequence of complex numbers

### Reputation (138)

 +15 Maximization of a determinant +5 Integral of simple functions in standard and non-standard representation +10 If the $81$ digit number $111\cdots 1$ is divided by $729$, the remainder is? +5 Computational Topology and Lie Group Theory

 1 If the $81$ digit number $111\cdots 1$ is divided by $729$, the remainder is? 1 How would you show that $Ax=b$ has a solution $\iff \text{rank } A = \text{rank } [A\, b]$? 1 Minimization of Expected Value

### Tags (19)

 1 optimization × 3 1 divisibility 1 linear-algebra × 2 1 elementary-number-theory 1 matrices × 2 0 complex-numbers × 2 1 expectation × 2 0 inequality × 2 1 calculus-of-variations × 2 0 measure-theory × 2

### Accounts (7)

 Mathematics 138 rep 8 Stack Overflow 81 rep 7 Information Security 58 rep 110 Cross Validated 30 rep 4 Reverse Engineering 18 rep 3