From 6bf4b90c90f15f4ab60833bddf5b5756d1a6b1f6 Mon Sep 17 00:00:00 2001 From: Elizabeth Alexander Hunt Date: Thu, 2 Jul 2026 11:55:17 -0700 Subject: Init --- Homework/math4310/abstract_algebra_assn_12.tex | 56 ++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Homework/math4310/abstract_algebra_assn_12.tex (limited to 'Homework/math4310/abstract_algebra_assn_12.tex') diff --git a/Homework/math4310/abstract_algebra_assn_12.tex b/Homework/math4310/abstract_algebra_assn_12.tex new file mode 100644 index 0000000..0e39503 --- /dev/null +++ b/Homework/math4310/abstract_algebra_assn_12.tex @@ -0,0 +1,56 @@ +% Created 2023-04-23 Sun 13:45 +% Intended LaTeX compiler: pdflatex +\documentclass[11pt]{article} +\usepackage[utf8]{inputenc} +\usepackage[T1]{fontenc} +\usepackage{graphicx} +\usepackage{longtable} +\usepackage{wrapfig} +\usepackage{rotating} +\usepackage[normalem]{ulem} +\usepackage{amsmath} +\usepackage{amssymb} +\usepackage{capt-of} +\usepackage{hyperref} +\notindent \notag \usepackage{ dsfont } \usepackage{amsmath} \usepackage[a4paper,margin=1in,portrait]{geometry} \usepackage{polynom} \usepackage{wasysym} +\author{Lizzy Hunt} +\date{\today} +\title{Assignment Twelve} +\hypersetup{ + pdfauthor={Lizzy Hunt}, + pdftitle={Assignment Twelve}, + pdfkeywords={}, + pdfsubject={}, + pdfcreator={Emacs 28.2 (Org mode 9.6.1)}, + pdflang={English}} +\begin{document} + +\maketitle +\setlength\parindent{0pt} + +\section{Section 6.3} +\label{sec:org86da123} +\subsection{Question One} +\label{sec:org600275c} +\(n = cd\) with some \(1 < |c| < |n|\) and \(1 < |d| < |n|\) since \(n\) is composite, so \(c\) and \(d\) are not multiples of \(n\). Therefore as \(cd \in (n)\) but \(c \notin (n)\) and \(d \notin (n)\) then \((n)\) is not a prime ideal +by definition. + +\subsection{Question Five} +\label{sec:org37fce42} +Both \(\mathds{Z}_6\) and \(\mathds{Z}_{12}\)'s maximal ideals are \((2)\) and \$(3) +\subsection{Question Six} +\label{sec:org18d9056} +\subsubsection{a} +\label{sec:org0890b14} +The only maximal ideal of \(\mathds{Z}_8\) is \((2)\) since it is its prime divisor. + +Similarly, the only maximal ideal of \(\mathds{Z}_9\) is \((3)\). + +\subsubsection{b} +\label{sec:org77d60ec} +In \(\mathds{Z}_{10}\) the maximal ideals are \((2)\) and \((5)\), similarly for \(\mathds{Z}_{15}\): \((3)\) and \((5)\). + +\subsection{Question Eight} +\label{sec:org38c7c8c} +Consider \((2) \cap (3)\) which generates \((6)\), and is not prime in \(\mathds{Z}\); \(3 \cdot 2 \in (6)\) but \(3 \notin (6)\) and \(2 \notin (6)\). +\end{document} \ No newline at end of file -- cgit v1.3