Meine Erdös-Zahl ist höchstens 4:

1. Anderson, J.M.; Erdös, Paul; Pinkus,Allan; Shisha, Oved.
   The closed linear span of $\{x^k-c_k\}_1^{\infty}$.
   J. Approximation Theory 43, 75-80 (1985).
2. Elsner, Ludwig; Hershkowitz, Daniel; Pinkus,Allan.
   Functional inequalities for spectral radii of nonnegative matrices.
   Linear Algebra Appl. 129, 103-130 (1990).
3. Bunse-Gerstner, Angelika; Elsner, Ludwig.
   Schur parameter pencils for the solution of the unitary eigenproblem.
   Linear Algebra Appl. 154-156, 741-778 (1991).
4. Bunse-Gerstner, Angelika; Stöver, Ronald.
   On a conjugate gradient-type method for solving complex symmetric linear systems.
   Linear Algebra Appl. 287, No.1-3, 105-123 (1999).

1. Erdös, Paul; Fajtlowicz, Siemion; Hoffman, Alan J..
   Maximum degree in graphs of diameter 2.
   Networks 10, 87-90 (1980).
2. Hoffman, Alan J.; Varga, Richard S..
   Patterns of dependence in generalizations of Gerschgorin's theorem.
   SIAM J. Numer. Anal. 7, 571-574 (1970).
3. Varga, Richard S.; Saff, E.B.; Mehrmann, Volker.
   Incomplete factorizations of matrices and connections with H-matrices.
   SIAM J. Numer. Anal. 17, 787-793 (1980).
4. Kunkel, Peter; Mehrmann, Volker; Stöver, Ronald.
   Symmetric Collocation for Unstructured Nonlinear Differential-Algebraic Equations of Arbitrary Index.
   Numer. Math. 98, No.2 , 277-304 (2004).

Mehr Informationen zu Paul Erdös

• Wikipedia-Eintrag (deutsch)
  
  
• The Erdös Number Project at Oakland University
  
  
• Der Mann, der die Zahlen liebte von Paul Hoffman, ECON-Verlag 2001.