Local-global principles for representations of quadratic forms

By Jordan S. Ellenberg, Akshay Venkatesh. 2006

55 citations recorded by the source corpus.

We prove a local-global principle for the problem of representations of quadratic forms by quadratic forms over ℤ, in codimension ≥5. The proof uses the ergodic theory of p-adic groups, together with a fairly general observation on the structure of orbits of an arithmetic group acting on integral points of a variety.

Subfields: Geometry and Topology, Mathematical Physics

View Paper: https://www.semanticscholar.org/paper/0c5303626c676a00541c6e095bb291a77604f57d

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In Geometry and Topology

  1. Manfred Einsiedler
  2. Gregory Margulis
  3. Akshay Venkatesh
  4. P. Michel
  5. R. Munshi
  6. Elon Lindenstrauss
  7. Nicolas Templier
  8. V. Blomer

In Mathematical Physics

  1. Manfred Einsiedler
  2. Akshay Venkatesh
  3. Gregory Margulis
  4. H. Oh
  5. Elon Lindenstrauss
  6. P. Michel
  7. Dmitry Kleinbock
  8. R. Munshi

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