Euler Class

The Euler class is the image of under the composition of these maps.

Read more about Euler Class:  Properties, Relations To Other Invariants

Famous quotes containing the word class:

    That’s how the Germans are.... The aristocrats at the top hard as glass, cold as ice, servants of the King, the working masses willing, pliable, sentimental, susceptible to brutality, the middle class educated and cowardly to the point of servility.
    Alfred Döblin (1878–1957)