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I am new to quantum computing. I am not able to understand QHT, QWT and QFT. I tried searching for a suitable material but still could not find them. It would be great if someone can explain and also a suggest a book to read these topics.

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After some Googling:

To be honest, so far I encountered only QFT which plays very important role in algorithms based on phase and amplitued estimatios (e.g. HHL algorithm for solving linear equations or Shor's algorithm for integers factoring). It is necessary to become familiar with QFT if you want to study quantum algorithms further.

Other transforms usage seem to be in a signal processing. Any addition on these transforms is welcomed.

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  • $\begingroup$ Thank you @MartinVesely. Can you suggest some book for these topics? $\endgroup$
    – Manu
    Jul 29, 2021 at 23:22
  • $\begingroup$ @ManuChaudhary: A classic is Nielsen and Chuang: Quantum Computation and Quantum Information. However, it can be too technical for beginers. You metioned that your are new to QC, so I would suggest to start here: qiskit.org/textbook/preface.html. Note that QHT and QWT seems complex topics for beginners. $\endgroup$ Jul 30, 2021 at 6:47
  • $\begingroup$ Thank you @MartinVesely $\endgroup$
    – Manu
    Jul 30, 2021 at 16:53

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