Arithmetic and Geometry of K3 Surfaces and Calabi–Yau Threefolds

In recent years, research in K3 surfaces and Calabi–Yau varieties has seen spectacular progress from both arithmetic and geometric points of view, which in turn continues to have a huge influence and impact in theoretical physics—in particular, in string theory. The workshop on  Arithmetic and Geometry of  K3 surfaces and Calabi–Yau threefolds, held at the Fields Institute (August 16-25, 2011), aimed to give a state-of-the-art survey of these new developments. This proceedings volume includes a representative sampling of the broad range of topics covered by the workshop. While the subjects range from arithmetic geometry through algebraic geometry and differential geometry to mathematical physics, the papers are naturally related by the common theme of Calabi–Yau varieties. With the big variety of branches of mathematics and mathematical physics touched upon, this area reveals many deep connections between subjects previously considered unrelated.

Unlike most other conferences, the 2011 Calabi–Yau workshop started with 3 days of introductory lectures. A selection of 4 of these lectures is included in this volume. These lectures can be used as a starting point for the graduate students and other junior researchers, or as a guide to the subject.

• $K3$ surfaces and Enriques surfaces
• Calabi-Yau manifolds
• cycles and subschemes
• variation of Hodge structures

• , Mathematics Department, Stony Brook University, Stony Brook, USA

  Radu Laza

• , Institut für Algebraische Geometrie, Leibniz Universität Hannover, Hannover, Germany

  Matthias Schütt

• , Department of Math & Stats, Queen's University, Kingston, Canada

  Noriko Yui

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