Lectures presented at the 1994 Les Houches Summer School "Fluctuating Geometries in Statistical Mechanics and Field Theory. The first part is an introduction to conformal field theory and string perturbation theory. The second part deals with the search for a deeper answer to the question posed in the title.

Скачать книгу бесплатно (pdf, 1.07 Mb)

---

Читать «What is string theory?»