4 problems
Let be a fixed graph, and let be a graph on vertices. The quantity is the minimum order of a graph whose every red-blue edge-coloring contains e…
Let be a graph with vertices, and let denote the minimum number of vertices of a graph such that every red-blue edge-colouring of contains an…
Let be a positive integer. Exponential gadget conjecture. There is a graph with edges such that every -coloring of its edges contains a monochromatic odd cycl…
Let be the cycle on vertices, and let denote the smallest number of edges in a graph whose every -coloring contains a monochromat…