bio | website | TheBigQuestions.com/blog |
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location | ||
age | ||
visits | member for | 3 years, 10 months |
seen | 7 mins ago | |
stats | profile views | 7,375 |
Sep 16 |
comment |
A Function $ g[0,\infty) \mapsto [0,1)$ Sharply Changing on Both Ends
Why would math.stackexchange welcome a question about a concept that is "not super well defined"? |
Sep 16 |
comment |
What does it mean for a stochastic sequence to be “stochastically smaller” than some other stochastic sequence?
How can you possibly know that you "have to" show one sequence is stochastically smaller than another if you don't know the meaning of the phrase "stochastically smaller"?!?!?!?! |
Sep 16 |
comment |
Rookie looking for help with basic mathematical problem
@HJRW: It is invariably the case with questions like this that the user wants to impose all sorts of unstated (and probably ill-defined) conditions on the candidate functions. Because these conditions are unstated, the question becomes an exercise in mind-reading, not in mathematics. |
Sep 15 |
comment |
Rookie looking for help with basic mathematical problem
@HJRW: This question is not about mathematics, and therefore not suitable for math stackexchange. |
Sep 8 |
awarded | Nice Answer |
Sep 8 |
revised |
Bi-dual of vector spaces
added 24 characters in body |
Aug 17 |
comment |
A group allowing exactly 7 group topologies
"This is why they say 7". Who is they? |
Aug 4 |
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Universal quantifier in Russell's Theory of descriptions - Who is the UNIVERSE?
PS. In ZFC, I can prove: "For all $A$, $A\subset A$." Are you worried that there is no set of all sets? |
Aug 4 |
comment |
Universal quantifier in Russell's Theory of descriptions - Who is the UNIVERSE?
Andreas beat me to this with his answer, but it's models, not theories, that have "universes of discourse". |
Aug 4 |
answered | About Weil's proof of “Weil conjectures for curves and abelian varieties” |
Jul 21 |
comment |
Is there a truly general voting impossibility theorem that applies to real elections?
You can address both problems (I) and (II) if two separate polities --- say Texas and California --- both adopt this system, with Texas voters making their payments to Californians and California voters making their payments to Texans. Then none of the democracy fees are wasted (which addresses problem II) and the people who put less monetary value on getting their preferred election outcomes will receive, on average, cash payments that they value more highly than they value those outcomes (at least assuming that the average payments are the same in both polities). |
Jul 21 |
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commutative algebra, diagonal morphism
@VivekShende: But we don't need $ker(A[x]\rightarrow B)$ to be finitely generated; we just need a certain quotient of it to be finitely generated, no? |
Jul 20 |
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Derivatives of infinite order
The axiom of choice??? |
Jul 12 |
awarded | Nice Answer |
Jul 11 |
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Is there any publication of “Beilinson’s dream” on motivic (complexes of) sheaves?
@Denis-CharlesCisinski: I should of course have mentioned these, though back when I was struggling to understand this, I found Soule and Ramakrishnan easier to follow. Your mileage, of course, may vary. |
Jul 11 |
answered | Is there any publication of “Beilinson’s dream” on motivic (complexes of) sheaves? |
Jul 4 |
awarded | Cleanup |
Jul 4 |
revised |
Properties of rings that have an elegant description in terms of the associated category of modules
rolled back to a previous revision |
Jul 4 |
comment |
Properties of rings that have an elegant description in terms of the associated category of modules
@EricWofsey : In view of your comment, I'm rolling back my edit. |
Jul 4 |
comment |
Properties of rings that have an elegant description in terms of the associated category of modules
@KConrad: I edited to insert the word "proper", which deals with $(1)$. It seems to me that $(0)$ is prime and therefore (trivially) a product of primes, so I'm not clear on why you say that's also problematic. |