"k-matching" in graphs
56092
What is complexity of this max-edge subgraph problem?
70761
Number of ways to connect sets of $k$ dots in a perfect $n$-gon
16233
Pattern fills for graphs
150508
∗∗Prove that each graph with an even number of vertices has two vertices with an even number of common neighbors.
78243
graph-theory problem about outdegree and indegree
45510
Number of vertices present in all maximum matchings
102539
Min. number of vertices in graph as function of $\kappa(G)$ and $\operatorname{diam}(G)$
83434
Graph theory induction
12557
Coloring Graph Problem
119543
Counting edges in a specially defined graph
35092
Match covered graph is 2-connected
138226
Finding All n-regular graphs on m vertices
68801
Graph and one Sequence challenge
111954
Computing the cardinality of a combinatorial set
138304
getting tight bounds on n!
72417
Bipartite graphs
99806
Given an undirected Graph