Merge pull request #27 from GBisi/patch-1

Fixed missing "=" in |+> and |-> definition

index.Rmd

@@ -112,7 +112,7 @@ These are *not at all* necessary reading, but are just there to provide the exce
 
 ## Acknowledgements {-}
 
-We thank the following for their helpful comments and corrections, as well as for catching typos: Zhenyu Cai, Jedrzej Burkat, Maryam Khaqan, Rolando Reiner, Jan Baltussen, Linus Kelsey, Edgardo Deza, Elizabeth Ealing, L.L. Salcedo.
+We thank the following for their helpful comments and corrections, as well as for catching typos: Zhenyu Cai, Jedrzej Burkat, Maryam Khaqan, Rolando Reiner, Jan Baltussen, Linus Kelsey, Edgardo Deza, Elizabeth Ealing, L.L. Salcedo, Giuseppe Bisicchia.
 We also appreciate the work of Yihui Xie in developing the [Bookdown package](https://bookdown.org/yihui/bookdown/) with which this e-book was built.
 
 Hosting of this online book was made possible by the [Centre for Quantum Technologies](https://cqt.quantumlah.org/), the [University of Oxford Mathematical Institute](https://www.maths.ox.ac.uk/), and the [Okinawa Institute of Science and Technology](https://www.oist.jp/).

source/02-qubits.Rmd

@@ -315,8 +315,8 @@ where the definitions of the Hadamard and phase-shift gates are as in \@ref(qubi
 Note that we sometimes use the notation $\ket{+}$ and $\ket{-}$ when talking about Hadamard gates, where
 $$
   \begin{aligned}
-    \ket{+} &\coloneqq H\ket{0} \frac{1}{\sqrt{2}}(\ket{0}+\ket{1})
-  \\\ket{-} &\coloneqq H\ket{1} \frac{1}{\sqrt{2}}(\ket{0}-\ket{1}).
+    \ket{+} &\coloneqq H\ket{0} =  \frac{1}{\sqrt{2}}(\ket{0}+\ket{1})
+  \\\ket{-} &\coloneqq H\ket{1} = \frac{1}{\sqrt{2}}(\ket{0}-\ket{1}).
   \end{aligned}
 $$