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The Chemical Connection

In: Graph Energy

Author

Listed:
  • Xueliang Li

    (Nankai University, Center for Combinatorics)

  • Yongtang Shi

    (Nankai University, Center for Combinatorics)

  • Ivan Gutman

    (University of Kragujevac, Faculty of Science)

Abstract

Research on what we call the energy of a graph can be traced back to the 1940s or even to the 1930s. In the 1930s, the German scholar Erich Hückel put forward a method for finding approximate solutions of the Schrödinger equation of a class of organic molecules, the so-called conjugated hydrocarbons. Details of this approach, often referred to as the “Hückel molecular orbital (HMO) theory” can be found in appropriate textbooks [76, 101].

Suggested Citation

  • Xueliang Li & Yongtang Shi & Ivan Gutman, 2012. "The Chemical Connection," Springer Books, in: Graph Energy, edition 127, chapter 0, pages 11-17, Springer.
    • Handle: RePEc:spr:sprchp:978-1-4614-4220-2_2
    DOI: 10.1007/978-1-4614-4220-2_2
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