What Method Solves the Differential Equation d^2u/dp^2 = p^2 u?

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SUMMARY

The differential equation d²u/dp² = p²u can be effectively solved using a series solution method. This approach often leads to the identification of Bessel functions as solutions. The discussion confirms that Bessel functions are indeed relevant to this type of equation, providing a clear pathway for solving it. Participants agree that exploring series solutions is a valid and promising method for tackling this differential equation.

PREREQUISITES
  • Understanding of differential equations, specifically second-order linear equations.
  • Familiarity with series solutions and power series expansions.
  • Knowledge of Bessel functions and their properties.
  • Basic calculus and mathematical analysis skills.
NEXT STEPS
  • Study the method of Frobenius for solving differential equations.
  • Research Bessel functions and their applications in solving differential equations.
  • Learn about series solutions and convergence criteria for power series.
  • Explore specific examples of second-order linear differential equations and their solutions.
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Mathematicians, physics students, and engineers who are solving differential equations, particularly those interested in Bessel functions and series solutions.

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d^2u/dp^2=p^2 u.

I know the answer, however I can not figure out how to solve this. Any ideas at to which method to try?
 
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I haven't actually tried it, but my first guess would be a series solution. You might get some kind of Bessel function.
 

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