• Titu Andreescu
  • Zuming Feng


In this chapter, we introduce a fundamental technique in solving combinatorial problems.


Positive Integer Equilateral Triangle Young Diagram Binary Sequence Triangular Grid 
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Copyright information

© Springer Science+Business Media New York 2004

Authors and Affiliations

  • Titu Andreescu
    • 1
  • Zuming Feng
    • 2
  1. 1.American Mathematics CompetitionsUniversity of NebraskaLincolnUSA
  2. 2.Department of MathematicsPhillips Exeter AcademyExeterUSA

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