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### Feature details
The [trace distance](https://en.wikipedia.org/wiki/Trace_distance) is one measure of distance between two quantum states `rho` and `sigma`. This is a commonly-calculated quantity …
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Given a collection of vectors, determine if the set constitutes an unextendible product basis (UPB).
According to [arXiv:quant-ph/9808030](https://arxiv.org/abs/quant-ph/9808030):
> An unextend…
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### Feature details
[Building of PennyLane images in Docker](https://docs.pennylane.ai/en/stable/development/guide/installation.html#docker) is supported, including [optional installation of the plug…
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Trying Toric Code syndrome circuit built upon the surface code syndrome circuit
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We rely on Qrack library unit tests, but a [random mirror circuit integration test](https://github.com/vm6502q/qrack/blob/12e733cf866eeb9b4996c9558be77858535f59d6/test/tests.cpp#L5954) should be adapt…
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A future chapter of the book will discuss surface codes.
Implement the syndrome measurements for the [surface code](https://errorcorrectionzoo.org/c/surface) in [stac](https://github.com/abdullahkh…
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We would like to make our own stand-alone class/function(s) that allows circuit visualizations of OpenQASM files / strings. This class/function could leverage other visualization tools (e.g. Pylatex),…
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### Prerequisites
Before raising this feature request, I made sure:
- [x] It does not lead to duplication.
- [x] It has not already been requested.
### Is your feature request related to a pro…
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Currently the book is not available as a pdf. Some people would like to read it in this form.
To this end, we need a python script which does the following.
* Convert the entire book into a sing…
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We need your help on enriching the gradient computation methods in torchquantum to facilitate the research on parameterized quantum circuits. Right now torchquantum supports backpropagation to obtain …