Volume 21, Issue 1 Xun-Tuan Su Proof of a monotonicity conjecture Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Xun-Tuan Su Find more articles with the same keywords symmetry unimodality Schur's theorem Find more articles with the same subject classes 05A20 30E05