Quantum Systems Exactly
  Contents:   1 Frustrated quantum spin systems   1.1 The Pyrochlore checkerboard   1.2 Singlets in reflection symmetric spin systems   2 Wehrl entropy of Bloch coherent states   2.1 Conjectures of Wehrl and Lieb   2.2 Proof of Lieb's conjecture for low spin   3 Symmetries of the Hubbard model   4 Quantum integrable systems   4.1 Twisted quantum Lax equations   4.2 Face algebras and Ruijsenaars models   5 Noncommutative gauge theory   5.1 Gauge theory on noncommutative spaces   5.2 Seiberg-Witten map and Kontsevich formality, Born-Infeld action in the intermediate picture   5.3 Nonabelian noncommutative gauge fields 
Peter Schupp