User talk:Grubb257
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Hello, Grubb257, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are some pages that you might find helpful:
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I hope you enjoy editing here and being a Wikipedian! Please sign your name on talk pages using four tildes (~~~~); this will automatically produce your name and the date. If you need help, check out Wikipedia:Questions, ask me on my talk page, or ask your question and then place {{helpme}} before the question on your talk page. Again, welcome! – Oleg Alexandrov (talk) 02:08, 28 September 2007 (UTC)
initial context-setting
[edit]Hello. Please note edits to dual norm. You need to begin by telling non-mathematicians who may find this article that mathematics is what it's about. That means you shouldn't start by saying "Let X be...". Michael Hardy 21:00, 3 October 2007 (UTC)