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# Keith Brian Johnson's Discussions (113)

Discussions Replied To (11) Replies Latest Activity

### "I'll happily grant that the Abel sum matches the usual sum (I assume you mean the su…"

Keith Brian Johnson replied Mar 2 to 1+2+3+4+5+... = -1/12

16 Mar 4

### "I'm sorry to say that I never learned enough about analytic continuation or about th…"

Keith Brian Johnson replied Feb 28 to 1+2+3+4+5+... = -1/12

16 Mar 4

### "I would buy this: 1 - 1/4 + 1/16 - 1/64 + 1/256 -+... = 1/ (1 + 1/4) = 4/5 1 - 1/2 +…"

Keith Brian Johnson replied Feb 28 to 1+2+3+4+5+... = -1/12

16 Mar 4

### "OK, two things: First, we have to go back further than that particular series, becau…"

Keith Brian Johnson replied Feb 26 to 1+2+3+4+5+... = -1/12

16 Mar 4

### "I'm sorry--I didn't realize there was a video I was supposed to watch. I see it now.…"

Keith Brian Johnson replied Feb 26 to 1+2+3+4+5+... = -1/12

16 Mar 4

### "Why would anyone ever use such an obviously ridiculous sum instead of saying, "Wait…"

Keith Brian Johnson replied Feb 26 to 1+2+3+4+5+... = -1/12

16 Mar 4

### "Was the first line's sum supposed to be 1 - 2 + 3 - 4 + 5 - 6 + 7 -+ = -1/12?"

Keith Brian Johnson replied Feb 15 to 1+2+3+4+5+... = -1/12

16 Mar 4

### "I wish I had known someone like you when I was taking analysis at Penn State. Maybe…"

Keith Brian Johnson replied Jan 5 to Speaking of math errors ...

3 Jan 5

### "I have The Road to Reality, and am about a hundred pages in. I wish I had someone to…"

Keith Brian Johnson replied Jun 9, 2013 to Math and physics popularizations with substance

3 Jun 9, 2013

### "I've always loved the patterns one can find among numbers. For instance, 1^3 = 1^2  …"

Keith Brian Johnson replied Feb 28, 2013 to Math for Amateurs?

5 Mar 2, 2013

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