The Tzitzeica surfaces are the analogues of spheres in affine differential geometry and, indeed, are known as affine spheres or affinsphären [39]. According to Nomizu and Sasaki [227], the origins of affine differential geometry reside in this work of Tzitzeica at the turn of the nineteenth century.

“You can forget about going to that party on Saturday if you don't shut off that video game right now!”

Casting for the show started immediately, as Ms. Hilton invited prospective friends, male or female, to apply at her new Web site, ParisBFF.com. Twenty contestants will begin the show by living with Ms. Hilton in a house, where they will undertake tasks to prove their friendlike qualities.

Good Lorjus, Meary ! theawrt so hasty; so I clum th' steeigh in o snift, shoavt th' awts eawt, an smackt me riddle oth' hoyle.