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• 40 Should I abandon an open math problem, if it hasn't been actively studied since the mid-1980s?
• 27 What are some good ways to figure out one's interests in mathematics, before applying to PhD programs?
• 22 Is it ok for an applied mathematician to research a topic that she has personal experience with?
• 22 Why does L'Hôpital's rule work for sequences?
• 19 Do row operations change the column space of a matrix?
• 16 Could I possibly tell imitation lobster from real lobster?
• 14 Is any of today's applied mathematics research in academia still done primarily on pencil and paper?
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