Gerhard Paseman

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Name Gerhard Paseman
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Seen Feb 6 at 5:25
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56

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11
What’s a magical theorem in logic? (2)
8
Giving a math talk with no blackboard or projector
8
Examples of seemingly elementary problems that are hard to solve?
6
How to escape the inclination to be a universalist or: How to learn to stop worrying and do some research.
6
Excellent mathematical explanations
5
How many binary operations are associative?
5
Sieve of Erathostenes: removing consecutive items
5
Maiden Names vs. Married Names
4
find the collision of a particle with a swept triangle.
4
What are your favorite puzzles/toys for introducing new mathematical concepts to students?
4
Large Intersecting Subsets of a Set
3
What is the number of $2n\times 2n$-matrices $g=\begin{pmatrix} A & B \\\ C & -A^{t} \end{pmatrix}$, $B$ and $C$ symmetric, over the finite field $\mathbb{F}\_{q}$ with $\mathrm{rank}(g)=k$?
3
Walking around Santa Cruz, track around the soccer field
3
Thom’s Principle: rich structures are more numerous in low dimension
2
Fast Matrix Multiplication
2
Believing the Conjectures
2
partly obscured Rubik’s cube
2
Threading pinholes in the wall of cylinder to pass through an internal coordinate
2
Smallest square to wrap a cylinder
2
Math for a cake
2
power of adjacency matrix
1
What is the maximal sparsity of a matrix?
1
Hamiltonian cycles in power-graphs
1
Maximum distance within a subset of permutations
1
sorting two paired lists of real numbers to minimize consecutive absolute differences
1
Number of possible circuits with N NOR gates and M inputs
1
Asking about a quasicommutative semigroup
1
Provided a list of sets, $L$, computing an array where each entry $q_i \in Q$ is the family of sets in $L$ that have intersection $k$ with $l_i \in L$
1
Positive results coming from paradoxes
1
analogue of a set with n binary operations
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