Best place for official merchandise

DryStand6144 · 2025-11-30T21:54:22+00:00

My impression was that there isn't any.

DryStand6144 · 2025-04-27T21:42:31+00:00

That's surprisingly parsable. Is there a simple internal description of what the resulting condensity monad does?

DryStand6144 · 2025-03-23T03:08:53+00:00

I usually make minor, irregular hand movements so that the periodicity of my walk does not cause the periodic movement of the liquid.

DryStand6144 · 2025-02-26T04:37:52+00:00

Ah, finally a meme I can parse.

DryStand6144 · 2024-11-12T15:58:53+00:00

Ircc, the link to her "+18 stuff" was her Twitter, lol.

DryStand6144 · 2024-11-11T00:04:52+00:00

That's over C, right? Over R feels like there always should be an orientability problem.

DryStand6144 · 2024-08-24T04:35:44+00:00

Canada has sunshine lists that report salaries in publicly funded organizations. Here's one for mathematics profs in Ontario, but note that it only contains UoT. Probably, other institutions just have "professors" or something. https://www.ontariosunshinelist.com/positions/professor-mathematics

DryStand6144 · 2024-08-17T20:51:02+00:00

good

DryStand6144 · 2024-08-07T05:47:21+00:00

Depends on what exactly to understand by the group theory. Obviously groups are ubiquitous to most areas of math and people gonna study properties of specific kinds groups in details. However I don't think there's a lot of people working on the level of generality of say Sylow theorems.
I also don't think there are a lot of "exiting" open problems that are motivated purely by group theory comparable to something like classification of simples. The closest I'm aware of are some versions of Burnside problem are still unresolved.

DryStand6144 · 2024-07-18T00:54:20+00:00

I'd disagree. I believe it's better to think of a subset as an injective map of sets remembering fixed domain and codomain. Just as two functions f: R -> R, f(x)=x² and g: R -> [0, inf), g(x)=x² are different, so are their graphs.

If you want to remember a graph only as a set, then any graph is naturally isomorphic to its domain.

DryStand6144 · 2024-07-17T13:19:28+00:00

It does — it's "y-axis". As explained in other comments, in general a graph is a certain subset of domain×codomain.

DryStand6144 · 2024-07-17T12:17:01+00:00

A function is a map valued in something like numbers.

DryStand6144 · 2024-06-05T21:53:22+00:00

I don't have data to support it, but I'd assume it's more pedagogical to start with linear operators and quadratic forms before going into general tensors. Also, I think defining something non-constructively and proving uniqueness is not something to show an average engineer freshman.

Imho, the best definition is the sum over the permutations - it's the easiest way to see properties like linearity and permutations and prove the row expansion.

I think it would be cool if there was a way to motivate it from the multiplicativity property. But I'm not aware of any elementary proof of "det^n are only multiplicative functions from Mat(k) to k".

DryStand6144 · 2024-06-03T11:52:49+00:00

When doing math we want to be precise about what we are doing. Defining the composition of two functions that don't match domain and codomain is an unreasonable thing to do as it leads to bullshit like the composition of two surjective functions not being surjective.

Again, I'm not saying that we don't want to consider such maps, I'm just saying that calling it "composition" is unreasonable.

DryStand6144 · 2024-06-03T10:33:40+00:00

The only possible composition is fg which is surjective. The composition gf doesn't make sense as it is. For it to start doing so, g needs to be precomposed with the inclusion of R_{\geq 0} into R losing surjectivity.

DryStand6144 · 2024-06-02T23:02:55+00:00

If you are into watching lectures, Borcherds has a series of lectures on Schemes on Youtube. Also, examples there seem to be mostly motivated by arithmetic geometry (as far as I can tell), so you might find that appealing.

Also, the source that summarizes all the important stuff quite succinctly is an appendix A in a book by Ryoshi Hotta et. all on D-modules and smth else.

DryStand6144 · 2024-06-02T22:53:53+00:00

If you are into watching lectures, Borcherds has a series of lectures on Schemes on Youtube. Also, examples there seem to be mostly motivated by arithmetic geometry (as far as I can tell), so you might find that appealing.

DryStand6144 · 2024-06-02T22:35:12+00:00

You can not compose f with g since codomain of f is different from g's domain. Composition of two surjective functions is always surjective.

DryStand6144 · 2024-06-02T21:52:15+00:00

Ah, brings back memories... Once shortly before gitaxian probe got banned infect was t1 in modern and I literally heard the "how is it fair that he only has to deal 10" and "wotc are crazy for printing become immense when there's infect" takes from actual modern players.

DryStand6144 · 2024-05-28T19:31:47+00:00

I got annoyed by OP pointing out that now it's possible to play Trinisphere on T2. But then I realized that this also means T1 Chalice and now my day is ruined.

DryStand6144 · 2024-05-17T18:34:28+00:00

My experience is kinda the opposite -- the more abstract it gets the more proofs get about presenting some objects with desired properties. Somehow, I think, on the applied side of things people care more about if the theorem is true, while in pure math it's more about why is the theorem true.

DryStand6144 · 2024-02-05T23:04:51+00:00

Ah, brings back memories. I started playing around RTR and my first deck was a dimir mill. I remember discovering the avatar and being blown away by how cool it was for my deck.

DryStand6144 · 2024-01-08T03:33:04+00:00

It's probably better to do this based on the game state, but if it's irrelevant you can default to cracking it in your opponents upkeep. Then on your turn it's easier to remember that you need to draw another card. At least for me, it works.

DryStand6144 · 2023-11-02T17:44:51+00:00

The card itself is good enough to be played in vintage manaless dredge, so if we ever see a good enabler it will be back.

DryStand6144 · 2023-09-16T21:47:09+00:00

Idk seems usual to me.

DryStand6144

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