We present and discuss some selected results and facts from the more than 100 years of fascinating prehistory and history of Hardy-type inequalities. The main focus is to present a fairly late discovered convexity proof. We claim that if Hardy himself or some researchers involved early had discovered this proof it could have changed this fascinating prehistory and history in a fairly crucial way. This close connection between convexity and Hardy-type inequalities can be very important for the further development, especially concerning applications of convexity and Hardy-type inequalities.

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On the Prehistory, History, and a Convexity Approach to Prove Hardy-Type Inequalities

  • Fissha Gashaw Aycheah,
  • Lars-Erik Persson,
  • Markos Fisseha Yimer,
  • Tsegaye Gedif Ayele

摘要

We present and discuss some selected results and facts from the more than 100 years of fascinating prehistory and history of Hardy-type inequalities. The main focus is to present a fairly late discovered convexity proof. We claim that if Hardy himself or some researchers involved early had discovered this proof it could have changed this fascinating prehistory and history in a fairly crucial way. This close connection between convexity and Hardy-type inequalities can be very important for the further development, especially concerning applications of convexity and Hardy-type inequalities.