Discrete differential geometry. Consistency as integrability

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Bobenko, Alexander I. ; Suris, Yuri B. (2005)
  • Subject: Nonlinear Sciences - Exactly Solvable and Integrable Systems | Mathematics - Complex Variables | Mathematics - Differential Geometry

A new field of discrete differential geometry is presently emerging on the border between differential and discrete geometry. Whereas classical differential geometry investigates smooth geometric shapes (such as surfaces), and discrete geometry studies geometric shapes with finite number of elements (such as polyhedra), the discrete differential geometry aims at the development of discrete equivalents of notions and methods of smooth surface theory. Current interest in this field derives not only from its importance in pure mathematics but also from its relevance for other fields like computer graphics. Recent progress in discrete differential geometry has lead, somewhat unexpectedly, to a better understanding of some fundamental structures lying in the basis of the classical differential geometry and of the theory of integrable systems. The goal of this book is to give a systematic presentation of current achievements in this field.
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    [BobHoSp] A.I. Bobenko, T. Hoffmann, B.A. Springborn. Discrete minimal surfaces: geometry from combinatorics. Annals of Math., 2005 (to appear).

    [BobHoSu] A.I. Bobenko, T. Hoffmann, Yu.B. Suris. Hexagonal circle patterns and integrable systems: patterns with the multi-ratio property and Lax equations on the regular triangular lattice. Int. Math. Res. Not. 2002, no. 3, 111-164.

    [BobMaS1] A.I. Bobenko, D. Matthes, Yu.B. Suris. Nonlinear hyperbolic equations in surface theory: integrable discretizations and approximation results. Algebra Anal., 2005 (to appear).

    [BobMaS2] A.I. Bobenko, D. Matthes, Yu.B. Suris. Discrete and smooth orthogonal systems: C∞-approximation. Int. Math. Res. Not., 45 (2003), 2415-2459.

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