Positively Curved Manifolds

Famous quotes containing the words positively and/or curved:

“I positively think that ladies who are always enceinte quite disgusting; it is more like a rabbit or guinea-pig than anything else and really it is not very nice.”
—Victoria (1819–1901)

“By constant dripping, water hollows stone,
A signet-ring from use alone grows thin,
And the curved plowshare by soft earth is worn.”
—Ovid (Publius Ovidius Naso)