"Together with many other people and after a long development I could prove that a Poincaré duality group of cohomolog…"

"Still another important area is Poincaré duality for groups, invented by Robert Bieri and myself. They behave like ma…"

"The longing for the Orient accompanies the Occidental from the cradle to the grave. When the young farmer’s wife of t…"

"... The Bible is the book through which the world of the West, even in times of the most melancholy isolation, remain…"

"It was also religious need which in the educated circles of the West provided the most powerful impetus for the study…"

"But it was Sanskrit, not Hebrew, whose pure linguistic forms were lovingly cultivated by many of the late romantics, …"

"For almost a century the theory of general relativity (GR) has been known to describe the force of gravity with impec…"

"After the Big Bang, the universe expanded and cooled down. And we expect this expansion to gradually slow down becaus…"

"Gravity is the reason why the Universe itself can even exist and evolve. It elevates space and time from mere pieces …"

"... we can never really shield ourselves from gravity. You can think of a for electromagnetism — where you can shield…"