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\documentclass[11pt, oneside]{article} % use "amsart" instead of "article" for AMSLaTeX format | ||
\usepackage{geometry} % See geometry.pdf to learn the layout options. There are lots. | ||
\geometry{letterpaper} % ... or a4paper or a5paper or ... | ||
%\geometry{landscape} % Activate for rotated page geometry | ||
%\usepackage[parfill]{parskip} % Activate to begin paragraphs with an empty line rather than an indent | ||
\usepackage{graphicx} % Use pdf, png, jpg, or eps§ with pdflatex; use eps in DVI mode | ||
% TeX will automatically convert eps --> pdf in pdflatex | ||
\usepackage{amssymb} | ||
\usepackage{amsmath} | ||
\usepackage{amsthm} | ||
\newtheorem{exercise}{Exercise} | ||
%SetFonts | ||
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%SetFonts | ||
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\title{Beginning Exercises for the group on Radicals} | ||
\author{} | ||
%\date{today} % Activate to display a given date or no date | ||
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\begin{document} | ||
\maketitle | ||
Here are some warmup exercises for the group on Radicals -- the goal is partly learning about radicals, partly getting used to using M2. If you're a beginner, get help from the experts (among them Justin and Ayah!) More experienced M2 users might want to start right away to make some benchmarks for testing radical and minimalPrimes strategies. | ||
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\begin{exercise} | ||
The coefficients of the characteristic polynomial of an $n\times n$ matrix $M$ are in the radical of the ideal of entries of $minors(1, M^{n})$. Try generic matrices of small size | ||
and make a conjecture about which powers of each are in this ideal. How about higher order minors of $M^{n}$ or of $M^{k}$ for other $k$? | ||
\end{exercise} | ||
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\begin{exercise} | ||
In the situation of Huneke's Example 2.2, what power of $I_{n}(A)$ is in $(f,g)$. What is $(f,g): I_{n}(A)$? | ||
\end{exercise} | ||
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\begin{exercise} | ||
Write a ``while'' loop to implement the algorithm in Huneke's section 4; Put in a counter that will declare failure when Koll\'ar's bound is passed. | ||
\end{exercise} | ||
\maketitle | ||
%\section{} | ||
%\subsection{} | ||
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\end{document} |