In mathematics, in the field of sheaf theory and especially in algebraic geometry, the direct image functor generalizes the notion of a section of a sheaf to the relative case.
Read more about Direct Image Functor: Definition, Higher Direct Images, Properties
Famous quotes containing the words direct and/or image:
“You see how this House of Commons has begun to verify all the ill prophecies that were made of it—low, vulgar, meddling with everything, assuming universal competency, and flattering every base passion—and sneering at everything noble refined and truly national. The direct tyranny will come on by and by, after it shall have gratified the multitude with the spoil and ruin of the old institutions of the land.”
—Samuel Taylor Coleridge (1772–1834)
“Lear. Thou hast seen a farmer’s dog bark at a beggar?
Gloucester. Ay, sir.
Lear. And the creature run from the cur? There thou mightst behold the great image of authority: a dog’s obeyed in office.”
—William Shakespeare (1564–1616)