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jgill

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Would this thread be considered good physics or bad physics? I can't tell because its a foreign language for me. :chin:
May 15, 2021 at 00:15
Math maker here. Where the hell is my tax refund!! :confused:
May 14, 2021 at 23:03
Since I last checked 137 math papers have been uploaded to ArXiv. The rate of research in math is staggering, as are the number of specialized topics....
May 14, 2021 at 21:25
In: Question.  — view comment
No. Limits don't usually arise in the elementary aspects of the discipline. But boundedness certainly exists for figures like circles and ellipses. Ho...
May 13, 2021 at 22:17
Analysis at arXiv runs about 25% of the papers in math in May. Foundations 2.13%. Surprisingly, topology runs only 3%. Algebra and its offshoots looks...
May 13, 2021 at 18:23
It's natural that on a philosophy forum discussions of mathematics will mostly lie within the intersection of philosophy and math. I've mentioned in t...
May 13, 2021 at 04:42
It's notation for an infinite composition like . . . g3(g2(g1(z))). Ultimately the result comes from the structure of functional equations.
May 12, 2021 at 20:04
That probably beats my expansion (for z=1): ArcTan(z)=\underset{k=1}{\overset{\infty }{\mathop L}}\,\frac{2z}{1+\sqrt{1+\tfrac{1}{{{4}^{k}}}{{z}^{2}}}...
May 12, 2021 at 19:28
You two are going at it, hot an heavy. I'll steal away.
May 12, 2021 at 04:17
I think you are being too literal. I am working on a conjecture right now, as I have on others on and off for fifty years, with a sort of pleasing fer...
May 12, 2021 at 04:12
You are expecting too much of us. We are mere mortals, and few of us commit ourselves to this challenging task.
May 12, 2021 at 03:54
No no no. It's what you feel, not what you know. You are thinking like a logician. :gasp:
May 12, 2021 at 03:49
Au contraire, he was right!
May 12, 2021 at 03:40
In my naivete I once thought of a set as a collection of things called elements. Then I learned the error of my ways. Now I try to avoid thinking of t...
May 12, 2021 at 03:36
I had a colleague, a fellow math prof, who was a devout Catholic. I once asked him what he thought it was that we do as mathematicians. He said, "We a...
May 12, 2021 at 03:29
That sounds exciting! Sorry I missed it. :lol:
May 11, 2021 at 22:55
Hmmm. Live and learn. :chin:
May 11, 2021 at 21:13
I don't mess with infinities. Others here do.
May 11, 2021 at 21:04
Whoa! That is quite an assumption. :scream:
May 11, 2021 at 21:02
Common practice is pretty rigorous once you accept the axioms.
May 11, 2021 at 20:56
For your next trick, do one of an earl. :cool:
May 11, 2021 at 03:12
How do you feel your campaign is doing? Has it been worth the struggle? Have there been casualties? Are you holding up? :chin:
May 10, 2021 at 20:40
In a way this describes this thread. :roll:
May 08, 2021 at 23:57
That's what I might do. The metaphysics could be fun, though. :cool:
May 08, 2021 at 23:43
What of the air inside the garage, inhabiting its space and therefore part of the garage? You open the garage door and the air dissipates as it flows ...
May 07, 2021 at 19:24
MU knows so little of mathematics and yet is so confident. It's almost an admirable trait . . . but not quite.
May 07, 2021 at 03:19
The garage defines the space within it, that space is not part of the garage. The garage door is part of the garage, the cement floor is part of the g...
May 07, 2021 at 02:55
As has been noted, there are various ways of opening the doors of perception that, once experienced, render philosophy inconsequential. My initial exp...
May 06, 2021 at 04:06
If you become a subscriber ($/month) you can upload images. Otherwise to link them it seems you need a source that is secure.
May 06, 2021 at 03:51
And they should know better! :gasp: (The good and bad threads should be combined under the rubric, Physics Jabber.)
May 06, 2021 at 03:46
Most practicing mathematicians at one time or another spend a short period contemplating this question. Then they move on and do mathematics. My thoug...
May 06, 2021 at 03:44
You have developed a personal philosophy based on LL. Congratulations.
May 05, 2021 at 22:31
No. I have implied the order of the sequence. It's not arbitrary. A more mathematical format would be (a,b,c,d,e). This omission may have confused you...
May 05, 2021 at 22:25
Bingo! Really? "The square of the wave function, ?^2, however, does have physical significance: the probability of finding the particle described by a...
May 05, 2021 at 22:10
I was unaware of that, thanks. It was Gauss who coined the phrase I quoted and he is a mathematical deity! :cool: He also claimed number theory to be ...
May 05, 2021 at 21:51
From the Stanford entry: "One way to distinguish between science and religion is the claim that science concerns the natural world, whereas religion c...
May 05, 2021 at 04:37
Why would another prime decomposition, P2, arise if not for a computer implementing this layer logic? Thus, avoid disturbing results by ignoring layer...
May 05, 2021 at 04:26
The sequence a,b,c,d,e is a sequence of five letters. e is letter five. Like a leaf in a stream, floating quietly in sluggish waters, but skimming pas...
May 05, 2021 at 04:07
Good troll thread, eh doctor? :cool:
April 30, 2021 at 21:07
Possibly because simple ideas like "and" and "or" are defined as type, whereas set theory is not so bizarre. Maybe not.
April 30, 2021 at 05:17
There are unique coordinates? I take it you mean two objects don't occupy the same space at the same time. What does "one of a kind" have to do with c...
April 30, 2021 at 04:57
To say nothing of the nature of the waves, ocean waves vs probability waves - all the same stuff apparently. The more esoteric ones travel through the...
April 30, 2021 at 04:42
Actually, it's a refreshing departure from the babbling brook. :cool:
April 29, 2021 at 18:35
I've always considered this nonsense. But his mathematical ideas had great merit. :cool:
April 29, 2021 at 04:51
At first glance I might think, How absurd. But these days there are lots of things in highly abstract mathematics that are beyond my pale, so maybe th...
April 28, 2021 at 19:28
So, a particle of time has speed, which is defined by the particle of time? Time, like space, simply is. How we perceive time can vary dramatically, h...
April 25, 2021 at 22:44
There's too much here for a professional physicist to deal with. No wonder they have left the premises. :sad:
April 25, 2021 at 19:13
Well, I gather you've had your three cups of coffee, Tim! Thanks for explicating what should be axiomatic on a philosophy forum. :cool:
April 25, 2021 at 18:58
Ignore them. Yes, this is easy to say, but could be difficult to do. It depends on how attenuated the community is regarding ethnic issues. Remember, ...
April 25, 2021 at 18:51
Suggestion: Put a click link to the paper on researchgate to facilitate reading it. Use the little handcuffs above the message space.
April 24, 2021 at 23:49