prerequisites for Hilbert spaces

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I was reading about Hilbert Spaces and I found it very interesting. I would Like to further understand and study them. I am still a first year undergraduate student and in my university that is only taught later on in Functional Analysis, but I allays enjoyed to learn new things and expand my mathematical knowledge by my self. Right now I know:

  • Linear Algebra
  • Real Analysis
  • Multivariable Calculus
  • Vector Calculus
  • Complex Analysis

Is this enough for my to start studying Hilbert spaces? If not, what else do I need to learn first? I do think that I could grasp the more superficial concepts with the things I know right now, but my objective is to get a good and solid understanding of the topic.