User talk:Mathsci/Archive 5

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E-mail, article verification

Latest comment: 17 years ago7 comments2 people in discussion

I'm fine with your personal desire to maintain anonymity in your editing Wikipedia, and have no curiosity about who you are. I also see that our exchange was the result of your frustration with something that probably requires some real editorial insight--I just didn't agree with your method of going about it, but feel that you resolved the situation (of your frustation) in a useful way in the end, which means you are free to look for other ways to resolve the real issue. I also get extremely irritated at some of the editing that goes on on Wikipedia, particularly when motives behind the edits are other than creation of good encyclopedia articles, and have been on your end of the situation most often.

I will look at the article on Betti numbers as I get the time--from a first glance it looks like the introduction to the concept is better than the other articles you named. My time is very limited right now, so don't expect quick responses, but I am happy to comment on various mathematical articles. In general Wikipedia has some good math articles, but sometimes they fail greatly to introduce mathematical concepts in a general manner. Thanks for trying to be a responsible editor--that counts for more than most anything else, imo. KP Botany 03:30, 16 July 2007 (UTC)

Many thanks, it's great to have an expert on board. How many mathematical wikipedia articles have you edited so far? I'd really like to know your views on mentioning the equivalent definition of Betti numbers in terms of cohomology groups? And what about the L² Betti numbers of Atiyah, Cheeger, Gromov, Gaboriau and Lueck? Do you think this is a tad premature; or do you feel that the existence of several Seminaire Bourbaki presentations on this subject justifies a mention? These presentations are often in french which could present a problem to wikipedia editors trying to verify that their content is correct! Also do you think it might be an idea trying to make a link with the articles on classifying spaces and group cohomology? --Mathsci 03:54, 16 July 2007 (UTC)

I'm not an expert on math, I've never claimed to be, and I don't generally edit mathematical articles, although I edit some in P-chem, the mathematical side, and in optics, again, the mathematical side. Wikipedia is not a technical publication, either. However, I did do some research for an algebraist for a couple of years, and used to read in math, so if you're trying to scare me with big words and obscure names, let's not play games. I'll be glad to go over any articles you write in Wikipedia, and edit for acccessibility, readability, and clarity, for the benefit of Wikipedia readers, not to prove anything to you or me--I don't have anything to prove, as I'm a successful artist. If you need professional peer review, I could provide you with a list of journals to send your articles off to, and we both know that isn't what Wikipedia does. I do actually have a copy of Luck's paper on L² invariants, though. KP Botany 04:10, 16 July 2007 (UTC)

Good, then we're clearly talking business. What do you think of the way Lueck uses Von Neumann algebras and algebras of affiliated operators to define L² Betti numbers? --Mathsci 04:35, 16 July 2007 (UTC)

What do I think of it? I think Luck bores me to death. What do you think of it? KP Botany 04:38, 16 July 2007 (UTC)

I sent you an e-mail. Let's give this a rest. KP Botany 05:00, 16 July 2007 (UTC)

Thank you. I replied giving full details of my identity. --Mathsci 07:07, 16 July 2007 (UTC)

Wikipedia mathematics articles

Latest comment: 17 years ago1 comment1 person in discussion

I have been a little startled that several WP editors appear to believe that there should be no specialized articles on mathematics, because according to them this is not the intention of WP. It has also been suggested that all wikipedia mathematics articles should be intelligible to a general readership, which I assume to mean non-mathematicians. An enormous number of wikipedia mathematics articles are written for an audience with some mathematical training. At this level the mathematical part of the wikipedia resembles more closely various existing printed encyclopedias of mathematics, written as reference texts for practising mathematicians. This revelation seems to come as an unwelcome surprise to some WP editors. They also seem surprised that it is often practising mathematicians who edit these articles.

Let me randomly choose algebraic geometry as a category. Here is a non-exhaustive list of articles in this category, almost all of which seem to be written at the advanced level of such a mathematical encyclopedia.

Kazhdan–Lusztig polynomial
Adelic algebraic group
Algebraic torus
Approximation in algebraic groups
Arithmetic group
(B, N) pair
Borel subgroup
Bruhat decomposition
Cartan subgroup
Differential Galois theory
Formal group
Geometric invariant theory
Group of Lie type
Group scheme
Hyperspecial subgroup
Langlands decomposition
Linear algebraic group
Radical of an algebraic group
Root datum
Severi-Brauer variety
Tannakian category
Unipotent
Weil conjecture on Tamagawa numbers
Witt vector
Cuspidal representation
Grosshans subgroup
Haboush's theorem
Lie–Kolchin theorem
Observable subgroup
Rational representation
Reductive group
Steinberg representation
Abelian variety
Abelian integral
Abelian variety of CM-type
Albanese variety
Arithmetic of abelian varieties
Complex multiplication
Complex torus
Dual abelian variety
Eisenstein ideal
Equations defining abelian varieties
Jacobian variety
Mordell–Weil theorem
Mukai-Fourier transform
Picard group
Prym variety
Riemann form
Schottky problem
Tate module
Torelli theorem
Congruent number
Elliptic curve primality proving
Equianharmonic
Heegner point
Lemniscatic elliptic function
Mordell–Weil theorem
Nagell–Lutz theorem
Period mapping
Poncelet's porism
Theta function
Jacobi theta functions - notational variations
Jacobi triple product
Metaplectic group
Mock theta function
Q-theta function
Ramanujan theta function
Schottky problem
Theta characteristic
Theta representation
Theta-divisor
Sato-Tate conjecture
Schoof's algorithm
Semistable elliptic curve
Weil pairing
Flag manifold
Grassmannian
Principal homogeneous space
Algebraic variety
Abstract variety
Branched covering
Canonical bundle
Complete algebraic variety
Complex projective space
Degree of an algebraic variety
Diagonal form
Dimension of an algebraic variety
Function field of an algebraic variety
Geometric genus
Hilbert's Nullstellensatz
Horrocks-Mumford bundle
Irreducible component
Local zeta-function
Noether normalization lemma
Norm variety
Numerically effective
Quasiprojective variety
Rational function
Rational variety
Regular function
Segre embedding
Seshadri constant
Severi-Brauer variety
Singular point of an algebraic variety
Theorem of the cube
Transcendence degree
Weil restriction
Zariski surface
Zariski topology
Bézout's theorem
Chow ring
Enumerative geometry
Fulton-Hansen connectedness theorem
Hodge index theorem
Intersection homology
Intersection number
Intersection theory
Serre's multiplicity conjectures
Invariant theory
Bracket algebra
Geometric invariant theory
Gröbner basis
Haboush's theorem
Hall polynomial
Hilbert's basis theorem
Hilbert's fourteenth problem
Hilbert's syzygy theorem
Invariant polynomial
Invariants of tensors
Moduli space
Molien series
Artin approximation theorem
Deligne-Mumford moduli space of curves
Formal moduli
Geometric invariant theory
Hilbert scheme
Modular equation
Modular function
Moduli scheme
Moduli space
Stable map
Teichmüller space
Torelli theorem
Modular form
Classical modular curve
Atkin-Lehner theory
Automorphic factor
Congruence subgroup
Cusp form
Dedekind eta function
Dedekind sum
Eisenstein ideal
Eisenstein series
Elliptic function
Elliptic unit
Epsilon theorem
Equianharmonic
Fundamental pair of periods
Hecke operator
Hypergeometric differential equation
J-invariant
Kronecker limit formula
Lemniscatic elliptic function
Modular curve
Modular group
Modularity theorem
Overconvergent modular form
Petersson inner product
Picard-Fuchs equation
Ramanujan-Petersson conjecture
Real analytic Eisenstein series
Schwarzian derivative
Serre conjecture (number theory)
Siegel modular form
Theta function
Upper half-plane
Weierstrass's elliptic functions
Azumaya algebra
Chevalley scheme
Function field (scheme theory)
Geometric invariant theory
Glossary of scheme theory
Grothendieck's Galois theory
Grothendieck's Séminaire de géométrie algébrique
Grothendieck's relative point of view
Group scheme
Hilbert scheme
Ideal sheaf
Noetherian topological space
Normal scheme
Picard group
Proj construction
Ringed space
Scheme (mathematics)
Spectrum of a ring
Weil restriction
Zariski topology
Éléments de géométrie algébrique
Étale fundamental group
Newton's identities
Polynomial ring
Radical polynomial
Schur polynomial
Symbolic method
Symmetric function
Algebraic surface
Castelnuovo-de Franchis theorem
Complex projective plane
Cubic surface
Del Pezzo surface
Elliptic surface
Enneper surface
Enriques surface
Enriques-Kodaira classification
Fermat cubic
Hirzebruch-Riemann-Roch theorem
Hodge index theorem
K3 surface
Nagata-Biran conjecture
Noether's theorem on rationality for surfaces
Rational surface
Special divisor
Steiner surface
Supersingular K3 surface
Surface of general type
Thom conjecture
Veronese surface
Zariski surface

Mathsci 13:59, 16 July 2007 (UTC)

WP:ANI

Latest comment: 17 years ago3 comments2 people in discussion

It seems that there was a thread involving you here. The result of this thread was the indefinite blocking of User:Danko Georgiev MD. Cheers--Cronholm¹⁴⁴ 16:05, 19 July 2007 (UTC)

Thank you very much for this information. I have warned Alan Weinstein that he might be receiving some strange emails. --Mathsci 16:59, 19 July 2007 (UTC)

Hah, well at least here at wikipedia we won't have to listen to the RANTS any longer.--Cronholm¹⁴⁴ 17:03, 19 July 2007 (UTC)