# Non-Abelian Quantum Number

**URL:** https://itensor.discourse.group/t/non-abelian-quantum-number/1905
**Category:** ITensor Julia Questions
**Created:** [July 30, 2024, 8:48am UTC](https://itensor.discourse.group/t/non-abelian-quantum-number/1905 "2024-07-30T08:48:04Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![cfengno1](https://avatars.discourse-cdn.com/v4/letter/c/7feea3/32.png) [@cfengno1](https://itensor.discourse.group/u/cfengno1)
#### Post date: [July 30, 2024, 8:48am UTC](https://itensor.discourse.group/t/non-abelian-quantum-number/1905/1 "2024-07-30T08:48:04Z")

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Dear Matthew and Miles,

I notice the mentioning of “non-abelian symmetric tensor backend” in the news on the Itensor homepage. Will it be released in the near future?

Best,  
Feng Chen

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### Author: ![ogauthe](https://yyz2.discourse-cdn.com/free1/user_avatar/itensor.discourse.group/ogauthe/32/617_2.png) [@ogauthe](https://itensor.discourse.group/u/ogauthe)
#### Post date: [July 31, 2024, 5:04pm UTC](https://itensor.discourse.group/t/non-abelian-quantum-number/1905/2 "2024-07-31T17:04:54Z")

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Hi cfengno1,

The non-abelian implementation for ITensor is a work in progress. I hope to have a functional version by the end of the year 2024, however the first release needs to be synchronized with many other features under development inside NDTensors.

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### Author: ![cfengno1](https://avatars.discourse-cdn.com/v4/letter/c/7feea3/32.png) [@cfengno1](https://itensor.discourse.group/u/cfengno1)
#### Post date: [August 1, 2024, 10:12am UTC](https://itensor.discourse.group/t/non-abelian-quantum-number/1905/3 "2024-08-01T10:12:49Z")

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Thank you very much for your efforts in developing this.

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### Author: ![system](https://global.discourse-cdn.com/free1/uploads/itensor/original/1X/d3072b13e047cd06df7f3981547c0917d940dfa4.png) [@system](https://itensor.discourse.group/u/system)
#### Post date: [August 11, 2024, 10:13am UTC](https://itensor.discourse.group/t/non-abelian-quantum-number/1905/4 "2024-08-11T10:13:47Z")

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