Is (A+B)^n Hermitian if A and B Are Hermitian Matrices?

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SUMMARY

The discussion centers on proving that if matrices A and B are Hermitian, then the expression (A+B)n is also Hermitian. A Hermitian matrix is defined as one that is equal to its conjugate transpose (A = A). The participants emphasize the properties of Hermitian matrices, specifically that the sum of two Hermitian matrices is also Hermitian, and they seek guidance on how to approach the proof.

PREREQUISITES
  • Understanding of Hermitian matrices and their properties
  • Knowledge of matrix operations, including addition and multiplication
  • Familiarity with the concept of conjugate transposes
  • Basic proof techniques in linear algebra
NEXT STEPS
  • Study the properties of Hermitian matrices in detail
  • Learn about the implications of matrix addition and multiplication on Hermitian properties
  • Explore the proof techniques used in linear algebra
  • Investigate the significance of eigenvalues in relation to Hermitian matrices
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Students of linear algebra, mathematicians, and anyone interested in the properties of Hermitian matrices and their applications in quantum mechanics and other fields.

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Homework Statement



Prove that if A and B are hermitian, so is (A+B)^n


Homework Equations



if an operator is hermitian then it is equal to its conjugate (A= A+)



The Attempt at a Solution



im pretty much bad when it comes to math, any hints would be appreciated ..
thanks in advance..
 
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What else do you know about hermitian matrices? For example, is the sum of two hermitian matrices hermitian? What about their product?
 
vela said:
What else do you know about hermitian matrices? For example, is the sum of two hermitian matrices hermitian? What about their product?

thanks a lot for the help vela .. I will try from there .. :)
 

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