# Tag Info

## Hot answers tagged channel-capacity

5 votes

### Advances in Quantum Channel Capacity

Let's recap a bit: In classical information theory, the analogous formula is the Shannon noisy channel coding theorem. It's charming, because it is basically just a very simple optimization of the ...
• 349
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### What exactly is the relation between the Holevo quantity and the mutual information?

Right, they are quite similar. The Holevo bound is a bound on the amount of accessible information between your quantum system and your classical system. The I(X;B) object written in the HSW theorem ...
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• 116
2 votes

### Why does entanglement not increase the classical capacity of a channel?

I will try to succinctly answer your first question given that I possess little knowledge regarding entanglement assistance. Shannon's capacity theorem (the noisy channel coding theorem) states that ...

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