Hamiltonian cycle and Euler Cycle.
52784
Hamiltonian Cycle Problem
31626
proving that a graph is hamiltonian (Ore's theorem)
47230
A change of variables in the euler equation
17268
Cycles in permutations of a given size
60889
What exactly are Hamiltonian Mechanics (and Lagrangian mechanics)
124666
Hamiltonian and non-Hamiltonian connected graph using the same degree sequence
82578
Show that if $G$ is $2-$connected, then for any two vertices $u$ and $v$ there exists a cycle $C$ such that $u, v \in V (C)$
19026
What do all the $k$-cycles in $S_n$ generate?
76040
Show that the Euler characteristic of a chain complex is equal to the Euler characteristic of its homology
100987
Let f be an r-cycle in $S_n$. Given any $h \in S_n$, show that $hfh^{-1} = (h(x_1), h(x_2), \dots, h(x_r))$
76692
Prove that $T$ has an orbit of period 3
83115
A set of elements in a reduced unity ring
75461
If $n>m$, then the number of $m$-cycles in $S_n$ is given by $\frac{n(n-1)(n-2)\cdots(n-m+1)}{m}$.
152997
Is there a kind of Noether's theorem for the Hamiltonian formalism?
96880
How to obtain Hamiltonian formalism and phase space for Lagrangian with second-derivatives?
133236
Euler's Solution of Seven Bridges of Königsberg in Layman Terms
49465
How many Hamiltonian cycles are there in a complete graph $K_n$ ($n\geq 3$) Why?