David C. Ullrich

Nothing about me is of any interest whatever.

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Mathematics

Q&A for people studying math at any level and professionals in related fields

Joined 9 years, 1 month ago, last seen 7 months ago

90,853 reputation

5 gold badges77 silver badges143 bronze badges

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59 questions

2,642 answers

MathOverflow

Q&A for professional mathematicians

Joined 8 years, 6 months ago, last seen 2 years, 9 months ago

223 reputation

2 silver badges8 bronze badges

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0 questions

1 answers

TeX - LaTeX

Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems

Joined 6 years, 3 months ago, last seen 2 years, 11 months ago

195 reputation

7 bronze badges

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3 questions

0 answers

Stack Overflow

Q&A for professional and enthusiast programmers

Joined 8 years, 10 months ago, last seen 2 years, 10 months ago

115 reputation

6 bronze badges

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2 questions

1 answers

English Language & Usage

Q&A for linguists, etymologists, and serious English language enthusiasts

Joined 6 years, 6 months ago, last seen 5 years ago

111 reputation

4 bronze badges

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0 questions

1 answers

Academia

Q&A for academics and those enrolled in higher education

Joined 6 years, 9 months ago, last seen 1 year, 10 months ago

101 reputation

2 bronze badges

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0 questions

0 answers

Writing

Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing

Joined 6 years, 6 months ago, last seen 5 years ago

101 reputation

1 bronze badge

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0 questions

0 answers

Meta Stack Exchange

Q&A for meta-discussion of the Stack Exchange family of Q&A websites

Joined 6 years, 4 months ago, last seen 1 year, 10 months ago

101 reputation

3 bronze badges

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0 questions

0 answers

Science Fiction & Fantasy

Q&A for science fiction and fantasy enthusiasts

Joined 5 years, 1 month ago, last seen 4 years, 11 months ago

101 reputation

1 bronze badge

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0 questions

0 answers

Code Review

Q&A for peer programmer code reviews

Joined 5 years, 1 month ago, last seen 4 years, 5 months ago

101 reputation

2 bronze badges

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0 questions

0 answers

Music: Practice & Theory

Q&A for musicians, students, and enthusiasts

Joined 5 years ago, last seen 3 years ago

101 reputation

2 bronze badges

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0 questions

0 answers

The Workplace

Q&A for members of the workforce navigating the professional setting

Joined 4 years, 11 months ago, last seen 3 years, 4 months ago

101 reputation

2 bronze badges

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0 questions

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Law

Q&A for legal professionals, students, and others with experience or interest in law

Joined 4 years, 8 months ago, last seen 1 year, 10 months ago

101 reputation

1 bronze badge

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0 questions

0 answers

Unix & Linux

Q&A for users of Linux, FreeBSD and other Un*x-like operating systems

Joined 4 years, 1 month ago, last seen 3 years, 9 months ago

101 reputation

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0 questions

0 answers

Travel

Q&A for road warriors and seasoned travelers

Joined 2 years, 10 months ago, last seen 2 years, 10 months ago

101 reputation

2 bronze badges

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0 questions

0 answers