Volume 9, Issue 4 Jiafa Xu Donal O'Regan Chengmin Hou Yujun Cui Positive solutions for a class of fractional difference boundary value problems 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 Jiafa Xu Donal O'Regan Chengmin Hou Yujun Cui Find more articles with the same keywords discrete fractional boundary value problems positive solutions fixed point index Leggett-Williams fixed point theorem Find more articles with the same subject classes 34B10 34B18 34A34 45G15 45M20