Producers should be glad to know that the latest release of the popular Crop Sequence Calculator now includes corn in the list of crops it can help manage. "The emphasis has been on the expansion of ...

Let d₁ ≥ d₂ ≥ ··· ≥ dn be the degree sequence of a graph G of order n and μ₁ ≥ μ₂ ≥ ··· ≥ μn = 0 be the Laplacian eigenvalues of G. In this paper, we propose a new conjecture that for any graph G ...