Poems by visual poet Karl Kempton are always fascinating and often mathy. Here, from Kempton's collection, poems about something and nothing (Paper Press, 2015) is one of my favorites:
zero
the mirror
oblivion holds
wearing the mask
of infinity
AND
Here is a link to Kempton's collection 3-CUBED: MATHEMATICAL POEMS 1975-2003.
And here is a link to previous presentations of Kempton's work in this blog.