Norbert Hungerbühler

Publications

Analysis

• Chen Yunmei, Hong Min-Chun, Norbert Hungerbühler
  Heat flow of p-harmonic maps with values into spheres
  Math. Z. 215 (1994), no. 1, 25-35
• Norbert Hungerbühler
  Global weak solutions of the p-harmonic flow into homogeneous spaces
  Indiana Univ. Math. J. 45/1, 275-288 (1996)
• Norbert Hungerbühler
  Compactness properties of the p-harmonic flow into homogeneous spaces
  Nonlinear Anal. 28/5, 793-798 (1997)
• Norbert Hungerbühler
  Non-uniqueness for the p-harmonic flow
  Canad. Math. Bull. 40/2, 174-182 (1997)
• Georg Dolzmann, Norbert Hungerbühler, Stefan Müller
  The p-harmonic system with measure-valued right hand side
  Ann. Inst. H. Poincaré Anal. Non Linéaire 14/3, 353-364 (1997)
• Georg Dolzmann, Norbert Hungerbühler, Stefan Müller
  Non-linear elliptic systems with measure-valued right hand side
  Math. Z. 226, 545-574 (1997)
• Norbert Hungerbühler
  A refinement of Ball's Theorem on Young measures
  New York J. Math. 3, 48-53 (1997)
• Norbert Hungerbühler
  m-harmonic flow
  Ann. Scuola Norm. Sup. Pisa Cl. Sci. (4) XXIV, 4 , 593-631 (1997)
• Georg Dolzmann, Norbert Hungerbühler, Stefan Müller
  Uniqueness and maximal regularity for nonlinear elliptic systems of n-Laplace type with measure valued right hand side
  J. Reine Angew. Math. 520, 1-35 (2000)
• Norbert Hungerbühler, Knut Smoczyk
  Soliton solutions for the mean curvature flow
  Differential Integral Equations 13, 1321-1345 (2000)
• Norbert Hungerbühler
  Quasilinear elliptic systems in divergence form with weak monotonicity
  New York J. Math. 5, 83-90 (1999)
• Norbert Hungerbühler, Robert Zwahlen
  An algebraic method for eigenvalue problems
  Indian J. Math. 43/2, 249-261 (2001)
• Norbert Hungerbühler
  Quasilinear parabolic systems in divergence form with weak monotonicity
  Duke Math. J. 107/3, 497-520 (2001)
• Norbert Hungerbühler
  Heat flow into spheres for a class of energies
  Progr. Nonlinear Differential Equations Appl. 59, 45-65 (2004)
• Pierre Dreyfuss, Norbert Hungerbühler
  Results on a Navier-Stokes system with applications to electrorheological fluid flow
  Int. J. Pure Appl. Math. 14, No. 2, 241-271 (2004)
• Pierre Dreyfuss, Norbert Hungerbühler
  Navier-Stokes systems with quasimonotone viscosity tensor
  Int. J. Differ. Equ. Appl., to appear.
• Fabien Augsburger, Norbert Hungerbühler
  Quasilinear elliptic systems in divergence form with weak monotonicity and nonlinear physical data
  Electron. J. Diff. Eqns., Vol. 2004(2004), No. 144, pp. 1-18
• Norbert Hungerbühler, Beatrice Roost
  Mean curvature flow solitons
  Séminaires et Congrès 19 (2009), 129-158
• Syed Abbas, Malay Banerjee, Norbert Hungerbühler
  Existence, uniqueness and stability analysis of allelopathic stimulatory phytoplankton model
  J. Math. Anal. Appl. 367 (2010), no. 1, 249-259
• Norbert Hungerbühler, Thomas Mettler
  Soliton solutions of the mean curvature flow and minimal hypersurfaces
  Proc. Amer. Math. Soc., to appear

Topology 

• Lorenz Halbeisen, Norbert Hungerbühler
  On continuously Urysohn and strongly separating spaces
  Topology Appl. 118 (2002), no. 3, 329-335

Number theory 

• Norbert Hungerbühler
  Proof of a conjecture of Lewis Carroll
  Math. Mag. 69/3, 182-184 (1996)
• Lorenz Halbeisen, Norbert Hungerbühler
  Optimal bounds for the length of rational Collatz cycles
  Acta Arith. 78/3, 227-239 (1997)
• Lorenz Halbeisen, Norbert Hungerbühler
  The Josephus problem
  J. Théor. Nombres Bordeaux 9 (1997), no. 2, 303-318
• Norbert Hungerbühler
  O trójkatach pitagorejskich o równym polu (On Pythagorean triangles with equal areas)
  Delta 284, No. 1, 1-3 (1998)
• Lorenz Halbeisen, Norbert Hungerbühler
  On generalized Carmichael numbers
  Hardy-Ramanujan J. 22, 8-22 (1999)
• Lorenz Halbeisen, Norbert Hungerbühler
  An application of Van der Waerden's theorem in additive number theory
  Integers 0, #A07 1-5(2000)
• Lorenz Halbeisen, Norbert Hungerbühler
  Number theoretic aspects of a combinatorial function
  Notes Number Theory Discrete Math. 5, 138-150 (1999)
• Norbert Hungerbühler, Jürg Kramer, Yngvar Reichelt
  The Abel Prize - the new coronation of mathematical careers
  Elem. Math. 58, 45-48 (2003)

Geometry 

• Norbert Hungerbühler
  Geometrical aspects of the circular billiard problem
  Elem. Math. 47, 114-117 (1992)
• Norbert Hungerbühler
  Die zehn Apollonischen Probleme
  Didakt. Math. 21/4, 241-249 (1993)
• Norbert Hungerbühler
  A short elementary proof of the Mohr-Mascheroni theorem
  Amer. Math. Monthly 101, 784-787 (1994)
• Lorenz Halbeisen, Norbert Hungerbühler
  On periodic billiard trajectories in obtuse triangles
  SIAM Rev. 42/4, 657-670 (2000)
• Norbert Hungerbühler, Michael Nüsken
  Delian metamorphoses
  Elem. Math. 61, 1-19 (2006)

Numerical mathematics 

• Norbert Hungerbühler
  Numerical analysis of singular weighted integrals
  Computing 53, 195-203 (1994)

Applied mathematics 

• Norbert Hungerbühler
  Singular filters for the Radon backprojection
  J. Appl. Anal. 5/1, 19-35 (1998)
• Norbert Hungerbühler, Paolo Vanini
  Taxation Based on Social Norms: An Axiomatic Approach
  SSRN Electronic Paper Collection (2002)
• Norbert Hungerbühler, Michael Struwe
  A one-way function from thermodynamics and applications to cryptography
  Elem. Math. 58, 49-64 (2003)
• Norbert Hungerbühler
  Benfords Gesetz über führende Ziffern: Wie die Mathematik Steuersündern das Fürchten lehrt
  EducETH, March 2007

Discrete mathematics 

• Lorenz Halbeisen, Norbert Hungerbühler
  The general counterfeit coin problem
  Discrete Math. 147, 139-150 (1995)
• Norbert Hungerbühler
  The isomorphism problem for Catalan families
  J. Combin. Inform. System Sci. 20, 129-139 (1995)
• Lorenz Halbeisen, Norbert Hungerbühler
  Dual form of combinatorial problems and Laplace techniques
  Fibonacci Quart. 38, no. 5, 395-407 (2000)
• Norbert Hungerbühler
  A simple proof of Shapiro's Theorem
  Amer. Math. Monthly 108, 873-874 (2001)

Graph theory 

• Lorenz Halbeisen, Norbert Hungerbühler
  Packings in complete graphs
  Ars Combin. 48, 97-110 (1998)
• Lorenz Halbeisen, Norbert Hungerbühler
  Generation of isospectral graphs
  J. Graph Theory, 31, 255-265 (1999)
• Lorenz Halbeisen, Norbert Hungerbühler
  Reconstruction of weighted graphs by their spectrum
  European J. Combin. 21, 641-650 (2000)

Algebra 

• Lorenz Halbeisen, Norbert Hungerbühler, Hans Läuchli
  Powers and polynomials in Z_m
  Elem. Math., 54, 118-129 (1999)
• Norbert Hungerbühler, Ernst Specker
  A generalization of the Smarandache function to several variables
  Integers: Electronic J. Combinatorial Number Theory, Vol. 6 (2006), #A23

Set theory 

• Joan Bagaria, Lorenz Halbeisen, Norbert Hungerbühler
  Remarks on bases of Banach spaces
  CRM Preprint núm. 388, Juliol 1998
• Lorenz Halbeisen, Norbert Hungerbühler
  The cardinality of Hamel bases of Banach spaces
  East-West J. Math. 2/2, 153-159 (2000)

Elementary mathematics 

• Norbert Hungerbühler
  Sections of pyramids, perspectivities and conics
  Internat. J. Math. Ed. Sci. Tech. 27/3, 335-345 (1996)
• Norbert Hungerbühler
  Another design for sun-dials
  Internat. J. Math. Ed. Sci. Tech. 27/4, 483-492 (1996)
• Norbert Hungerbühler
  Bijection between certain lattice paths
  Math. Mag. 71/3, 229 (1998)
• Norbert Hungerbühler
  The triangle of medians has three-fourths the area of the original triangle
  Math. Mag. 72, Number 2, 142 (1999)
• Norbert Hungerbühler
  Solution of Problem 1135
  Elem. Math. 54, Number 3, 131-132 (1999)
• Norbert Hungerbühler
  Computer-Tomographie
  Collata opera math. fribg. 1/1, 1-14 (2001)
• Norbert Hungerbühler
  Das Dreieck aus Seitenhalbierenden. Problem Nr. 56 in "Der Wettlauf mit der Schildkröte" von Heinrich Hemme
  Vandenhoeck & Ruprecht, Göttingen (2002)
• Norbert Hungerbühler
  Die beste aller Welten
  Collata opera math. fribg. 1/3, 1-32 (2001)
• Norbert Hungerbühler
  Die beste aller Welten
  Bull. Soc. Frib. Sc. Nat. 90, 23-44 (2001)
• Norbert Hungerbühler
  Von Prüfungen und rauchenden Rotstiften
  ETHZ VAMP Nr. 1 des Wintersemesters 93/94, 12-13 (1993)

History of mathematics 

• Norbert Hungerbühler, Martine Schmutz
  A biography of Michel Plancherel
  The MacTutor History of Mathematics archive.
• Norbert Hungerbühler
  In die "Hall of Fame" aufgenommen, Ehrung eines Freiburger Mathematikers
  Freiburger Nachrichten, April 4, 2005, page 2
• Norbert Hungerbühler
  Un Fribourgeois dans l'Olymp des maths
  La Liberté, 13 avril, 2005, page 11
• Norbert Hungerbühler, Martine Schmutz
  Michel Plancherel, une vie pour les mathématiques et pour le prochain
  math.ch/100, Schweizerische Mathematische Gesellschaft, Société Mathématique Suisse, Swiss Mathematical Society, 1910-2010, EMS 2010, 317-342

Miscellaneous 

• Norbert Hungerbühler
  Hochschulen und Gymnasien machen sich gemeinsam Gedanken über die Zukunft des Gymnasiums
  VSH-Bulletin Nr. 1, April 2010, 73-74
• Norbert Hungerbühler
  Bericht zur Maturaarbeit Billard - Reflexionen
  VSMP Bulletin, Februar 2010, No 112, 7-8
• Norbert Hungerbühler
  Recension of Ernst Specker's Wie ein Dieb in der Nacht
  Elem. Math. 63, Number 4, 196 (2008)
• Norbert Hungerbühler
  Kurzportrait der Schweizerischen Mathematischen Gesellschaft SMG
  187. Jahreskongress SCNAT 2007, 23-34
• Norbert Hungerbühler
  The EMS Publishing House - A crown jewel of the Society
  EMS Newsletter, June 2007, 10-11
• Norbert Hungerbühler
  Was ist Bildung Heute? Mathematik ist die Kunst, das Rechnen zu vermeiden
  NZZ, 2. November 2005, Sonderbeilage Studium und Beruf B1
• Norbert Hungerbühler
  Quo vadis, mathematica?
  Web-Portal der Gesellschaft für Mathematik an Schweizer Fachhochschulen, 2006
• Norbert Hungerbühler
  Einstein und die Mathematik
  Unireflets, 27. Oktober 2005

Books and monographs 

• Norbert Hungerbühler
  Einführung in partielle Differentialgleichungen
  Verlag der Fachvereine, Zürich, 1997
• Leon Simon (based on lecture notes by Norbert Hungerbühler)
  Theorems on regularity and singularity of energy minimizing maps
  Birkhäuser, Basel, 1996
• Norbert Hungerbühler
  p-harmonic flow
  Diss. Math. Wiss. ETH Zürich, Nr. 10740, 1994. Ref.: Michael Struwe; Korref.: Jürgen Moser, Zürich, 1994
• Norbert Hungerbühler
  Young measures and nonlinear PDEs
  Habilitationsschrift ETH Zürich, 2000
• Peter Ebenfelt, Norbert Hungerbühler, Joseph J. Kohn, Ngaiming Mok, Emil J. Straube (eds)
  Complex Analysis - Several complex variables and connections with PDE theory and geometry
  Birkhäuser, Trends in Mathematics, 2010