# Rachel Bernoulli

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bio website location age 29 member for 1 year, 11 months seen Oct 5 at 12:08 profile views 147

# 32 Questions

 5 Differential equation: $y'-\tan x \cdot y=e^{2x}$ 4 Proof of transitivity in Hilbert Style 4 A 3-regular graph must have a subgraph which is a cycle of even length? 4 $p = 1 \pmod{3}$ and $q=4p+1$ prove that $3$ is a primitive root modulo $q$ 3 G is a simple graph with $n$ vertices and $\sum_{v \in V(G)}$$d(v) \choose 2$$>(m-1)$$n \choose 2$then G contains $K_{2,m}$

# 441 Reputation

 +5 Matchings in $G=(V,E)$ be an undirected graph, and let $S,T\subseteq V$ be two sets of vertices with no common neighbors +5 Show that $f'_n \rightarrow f'$ uniformly on every compact set. +5 Proof of transitivity in Hilbert Style +5 Finding a spanning tree using exactly k red edges in a graph with edges colored by red/blue in linear time.

 2 $p$ is an odd primitive, Show why there are no primitive roots of $\bmod 3p$ 2 Proving there are no primitive roots of $2009$

# 25 Tags

 4 number-theory × 11 0 predicate-logic × 3 0 calculus × 7 0 logic × 3 0 graph-theory × 6 0 discrete-mathematics × 2 0 complex-analysis × 4 0 elementary-number-theory 0 complex-numbers × 4 0 first-order-logic

# 3 Accounts

 Mathematics 441 rep 18 Stack Overflow 141 rep 5 MathOverflow 101 rep