For p ≡ 1 (mod 4), we prove the formula (conjectured by R. Chapman) for the determinant of the (p+1)/2 × (p+1)/2 matrix with .
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-aa159-4-3, author = {Maxim Vsemirnov}, title = {On R. Chapman's "evil determinant": case p [?] 1 (mod 4)}, journal = {Acta Arithmetica}, volume = {161}, year = {2013}, pages = {331-344}, zbl = {06184260}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa159-4-3} }
Maxim Vsemirnov. On R. Chapman's "evil determinant": case p ≡ 1 (mod 4). Acta Arithmetica, Tome 161 (2013) pp. 331-344. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa159-4-3/