How Can the Hermite Polynomial Identity Be Proven?

In summary, the Hermite Polynomial identity is a mathematical formula that relates Hermite polynomials to the Gaussian function. These polynomials are used in various areas of mathematics and have practical applications in fields such as physics, engineering, and economics. The identity is significant because it simplifies complex expressions and allows for efficient calculation of integrals. It is derived using techniques from calculus and algebra, and has real-world applications in fields such as quantum mechanics and signal processing.
  • #1
appelberry
23
0
Does anyone know how to prove the following identity:

[tex]\Sigma_{k=0}^{n}\left(\stackrel{n}{k}\right) H_{k}(x)H_{n-k}(y)=2^{n/2}H_{n}(2^{-1/2}(x+y))[/tex]

where [tex]H_{i}(z)[/tex]represents the Hermite polynomial?
 
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  • #2
I would try induction on n.
 

Related to How Can the Hermite Polynomial Identity Be Proven?

What is the Hermite Polynomial identity?

The Hermite Polynomial identity is a mathematical formula that expresses the relationship between Hermite polynomials, which are a type of special functions, and the Gaussian function.

What are Hermite polynomials used for?

Hermite polynomials are used in various areas of mathematics, including probability, statistics, and physics. They are particularly useful in solving differential equations and in expressing probability distributions.

What is the significance of the Hermite Polynomial identity?

The Hermite Polynomial identity is significant because it provides a way to simplify complex mathematical expressions involving Hermite polynomials and the Gaussian function. It also allows for the efficient calculation of integrals involving these functions.

How is the Hermite Polynomial identity derived?

The Hermite Polynomial identity is derived using techniques from calculus and algebra, such as the method of induction and the binomial theorem. It can also be derived from the generating function of Hermite polynomials.

Are there any real-world applications of the Hermite Polynomial identity?

Yes, the Hermite Polynomial identity has many practical applications in fields such as physics, engineering, and economics. For example, it is used in quantum mechanics to describe the behavior of particles in a harmonic potential, and in signal processing to analyze data.

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