Excerpt from Über die Geometrie der Kegelschnitte, Insbesondere Deren Charakteristikenproblem: HabilitationsschriftHierher gehören z. B. Die meisten der Satze, welche von der (hier mit T bezeichneten) quadratischen Transformation handeln, die in der Geometrie der Kegelschnitte eine ausgezeichnete Stellung einnimmt.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.