• Medientyp: E-Artikel
  • Titel: The minimal volume orientable hyperbolic 2-cusped 3-manifolds
  • Beteiligte: Agol, Ian
  • Erschienen: American Mathematical Society (AMS), 2010
  • Erschienen in: Proceedings of the American Mathematical Society
  • Sprache: Englisch
  • DOI: 10.1090/s0002-9939-10-10364-5
  • ISSN: 0002-9939; 1088-6826
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <p>We prove that the Whitehead link complement and the <inline-formula content-type="math/mathml"> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="left-parenthesis negative 2 comma 3 comma 8 right-parenthesis"> <mml:semantics> <mml:mrow> <mml:mo stretchy="false">(</mml:mo> <mml:mo>−<!-- − --></mml:mo> <mml:mn>2</mml:mn> <mml:mo>,</mml:mo> <mml:mn>3</mml:mn> <mml:mo>,</mml:mo> <mml:mn>8</mml:mn> <mml:mo stretchy="false">)</mml:mo> </mml:mrow> <mml:annotation encoding="application/x-tex">(-2,3,8)</mml:annotation> </mml:semantics> </mml:math> </inline-formula> pretzel link complement are the minimal volume orientable hyperbolic 3-manifolds with two cusps, with volume <inline-formula content-type="math/mathml"> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="3.66 period period period"> <mml:semantics> <mml:mn>3.66...</mml:mn> <mml:annotation encoding="application/x-tex">3.66...</mml:annotation> </mml:semantics> </mml:math> </inline-formula> = 4 <inline-formula content-type="math/mathml"> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="times"> <mml:semantics> <mml:mo>×<!-- × --></mml:mo> <mml:annotation encoding="application/x-tex">\times</mml:annotation> </mml:semantics> </mml:math> </inline-formula> Catalan’s constant. We use topological arguments to establish the existence of an essential surface which provides a lower bound on volume and strong constraints on the manifolds that realize that lower bound.</p>
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