Mathematics
user avatar
user avatar
user avatar
Daniel Fischer
  • Member for 9 years
  • Last seen more than 1 year ago
Profile Activity
Stats
199,431
reputation
2.8m
reached
3,996
answers
1
question
Communities
About

A long time ago, I studied mathematics. I used to know three or four things about complex analysis, topological vector spaces, and point set topology. But I've forgotten at least five of them.

Badges
View all badges
18
gold badges
250
silver badges
374
bronze badges
Top tags
View all tags
2,942
Score
795
Posts
20
Posts %
2,907
Score
935
Posts
23
Posts %
1,818
Score
571
Posts
14
Posts %
1,334
Score
381
Posts
10
Posts %
1,286
Score
319
Posts
8
Posts %
1,198
Score
272
Posts
7
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
196
Why does the google calculator give $\tan 90^{\circ} = 1.6331779e^{+16}$?
Oct 22, 2013
answer
138
An inequality: $1+\frac1{2^2}+\frac1{3^2}+\dotsb+\frac1{n^2}\lt\frac53$
Dec 31, 2013
answer
125
What is the smallest unknown natural number?
Jun 7, 2015
answer
58
Reflection across a line?
Oct 13, 2013
answer
55
Is it possible to solve this equation by hand?
Feb 28, 2014
answer
47
Why is $(\sqrt{2}+\sqrt{3})^{2008}$ so close to an integer?
Jun 9, 2014
answer
44
Proof that one large number is larger than another large number
Nov 1, 2013
answer
42
Why is the matrix norm $||A||_1$ maximum absolute column sum of the matrix?
Oct 8, 2013
answer
42
Example of a sequence with more than one limit.
Apr 16, 2014
answer
42
Proving that $\frac{\pi}{4}$$=1-\frac{\eta(1)}{2}+\frac{\eta(2)}{4}-\frac{\eta(3)}{8}+\cdots$
Sep 3, 2013
Top Meta posts
2
111
114
How are we protecting our heads this year? With Hats!
55
I have been banned from asking questions, what should I do?
52
Why was this on-topic question unilaterally closed and migrated by a moderator?
51
Is it allowed and encouraged to post non-answer joke to low-quality questions?
45
is it rude to skip most edits?
Top network posts
View all network posts
4507
Why is processing a sorted array faster than processing an unsorted array?
227
Calculating and printing the nth prime number
106
Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
94
How to compile without warnings being treated as errors?
93
Why are difference lists more efficient than regular concatenation in Haskell?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.