/sci/ - Science & Math

what exactly are the fundamental cosmological constants? and what do they describe?

whats up with all the feynman dick suckage? I swear it wasnt this bad 5 years ago

Is the even naturals under addition isomorphic to the odd naturals under multiplication?

someone explain finitists to me? what do they mean by infinite sets "dont exist"?

>tfw dont want to hurt gf feelings
what do i yell about to make her wet?

i need some ideas for innovative concepts in graph theory (research) any ideas?

where can i search a bunch of math papers? I want to research and write my own

>men
>get shat on all their life by women and other men, develop a strong social shell and the ones that dont recoil into videogames or drugs become incredibly smart and strong individuals

>women
>get pampered and complimented all their life, they never have to strive as much as men to get something done or be happy, "life on easy mode". They end up being more "fragile"

am i the only one that thinks that this is why men are so over-represented in science/politics/business etc? The sheer amount of things they tackle force them to die or become strong.
This even explains why gender inequality increases when we make it even easier for women

>>10757676
>everything can essentially be described mathematically.

>>10558260
what is harder graduate degree pure math or physics?

>>10546840
Physicists like to think of a tensor as a collection of components, each identified by a set of indices that transforms like a tensor. Don't bother finding a way to visualize tensors of rank 2 or higher, just think of it as a collection of components that transform a certain way.

>>10543732
Americans are lazy an immature. First and second generation immigrants are mature and hard working. But hey, don't feel bad about it though. Their kids would be fucked up.

>>10534872
I think the black hole image is cool....if it lives up to it's hype. Still not has hyped about the moon landing and falcon rocket. Wake me up when we get people to the moon again.

how the fuck do i become a math god, i just finished linear algebra but i still dont get the hieroglyphics you guys post is it mostly higher algebra and topology?

Let [math]X=\{ \left(\int_{\Omega}f(x,y)dxdy\right)_{\lambda}\}[/math], where [math]\lambda[/math] is in some indexing set [math]\Lambda[/math], and [math]\Omega\subseteq\mathbb{R}^{2}[/math] is a closed and bounded region. Define a metric space, [math](X,d)[/math] where [math]d[/math] is the standard Euclidean metric. Is the operator which induces a change of variables, that is: [math]C:X\to X[/math] by
[eqn]C\left[\int_{\Omega}f(x,y)dxdy \right] = \int_{\Omega^{\prime}}f(x(u,v),y(u,v))|J(x(u,v),y(u,v)|dudv[/eqn], where [math] \Omega^{\prime}\subseteq \mathbb{R}^{2}[/math], an isometry? I think it is, but proving the metrics are equal seems to me not obvious. I know no differential geometry, but wouldn't mind if you used it to help.

>>10443559
>>10444188
>>10444257
>>10444334
>>10444339
>>10444350

this idea has nothing to do with physics, not that it can even be proved or tested for at all. the theory came up in a a thought experiment in which neitzche tries to demonstrate the what the psychology of an ubermensch should be; they should love life so much, that heaven for them would be to live the same exact life over and over and over again for infinity. It was a criticism of the concept of the "true world" that so many religions abuse.

why is that the only people who have above average IQ are mathematicians and philosophers? Even physishits are dumb now.

is the internal direct sum basically just a disjoint (at most trivially intersecting) union of subsets?

how do you study for your exams /mg?

If we supposedly live in an indeterministic universe where events are random, then how come 90% people on the planet earth have such shitty lives and die as miserable wagecuck slaves? Why is this equilibrium preferable to having say 100% of people who are happy with their lives? Or rather, why the fuck do random events affecting a large population of humans have such a huge negative bias following an log normal distribution with a very high [math]\sigma[/math]?

>>9501693
>uniform
>not α-Hölder