arnaucube
arnaucube/mathPublic Self-hosted repository
typos
arnaucube git@arnaucube.com
Sun, 08 Mar 2026 20:29:23 +0100
commit

968461101562dd169fc236b57eb2ca27cc1aa5f4

parent

9263eeaebb1e5f2f42874066178f6e115aff407a

3 files changed, 4 insertions(+), 3 deletions(-)

jump to
M README.md → README.md

@@ -8,6 +8,7 @@ - [Notes on "Abstract Algebra" book, by Charles C. Pinter](abstract-algebra-charles-pinter-notes.pdf)

- [Notes on Weil pairing](weil-pairing.pdf) - [Notes on Galois Theory](galois-theory-notes.pdf) - [Notes on Commutative Algebra](commutative-algebra-notes.pdf) +- [Notes on Algebraic Coding Theory](algebraic-coding-theory.pdf) In-between math & crypto:
M algebraic-coding-theory-notes.tex → algebraic-coding-theory-notes.tex

@@ -198,7 +198,7 @@ where $I_k$ is the $k \times k$ identity matrix, and $A$ is a $k \times (n-k)$ matrix.

\end{thm} \subsection{Encoding with a linear code} -Let $C$ a $[n,k]$-code over $GF(q)$ with GM $G$. $C$ contains $q^k$ codewords $\Longrightarrow$ can be used to comunicate any one of $q^k$ distinct messages. +Let $C$ a $[n,k]$-code over $GF(q)$ with GM $G$. $C$ contains $q^k$ codewords $\Longrightarrow$ can be used to communicate any one of $q^k$ distinct messages. Iddentify these messages with the $q^k$ tuples of $V(k,q)$.

@@ -345,7 +345,7 @@ \end{defn}

\begin{thm}{6.12}[Shanon's theorem] - channel binary symmetric with symbol error probabiliy $p$. + channel binary symmetric with symbol error probability $p$. Let $R < \mathscr{C}(p)$.

@@ -365,7 +365,7 @@ \end{thm}

\begin{eg}{6.15} for the code of \ref{h.6.5}, - $$P_{undetec}(C) = \underbrace{1}_{0101} \cdot p^2 (1-p)^2 + \underbrace{2}_{1011, 1110} \cdot p^3(1-p)^{4-3=1}= p^2 -p^4$$ + $$P_{undetec}(C) = \underbrace{1 \cdot p^2 (1-p)^2}_{0101} + \underbrace{2 \cdot p^3(1-p)^{4-3=1} }_{1011,~1110}= p^2 -p^4$$ \end{eg} \bibliographystyle{unsrt}