Turan numbers for bipartite graphs plus an odd cycle

Peter Allen, Peter Keevash, Benny Sudakov +1

For an odd integer $k$, let ${\mathcal{C}}_k=\{C_3,C_5,...,C_k\}$ denote the family of all odd cycles of length at most $k$ and let $\mathcal{C}$ denote the family of all odd cycle…