17

Answers
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12
Solving the equation $xax=b$ in a C*-algebra.
14
Ask some matrix eigenvalue inequalities.
8
Computing Simultaneous Hamming Neighborhood for a Set of Strings
3
Locating a submatrix within a matrix
3
A conjecture on a Subset Power Sum Problem motivated by Computer Science
2
Decidability of matrix algebra (2)
7
The role of completeness in Hilbert Spaces
1
Notation for a graph without any edges?
6
To what degree do min-cuts specify the cut function of a graph?
1
Suggest effective heuristic (not precise) graph colouring algorithm
4
How to combine linear constraints on a matrix and its inverse?
8
Zero-knowledge proof of positivity
1
a provable upper bound on the summation
1
Finding regions where multi-variate polynomials are positive
7
Residual finiteness of groups versus residual finiteness of semigroups
16
Function satisfying $f^{-1} =f'$
11
How fast are a ruler and compass?