Skip to main content
MathOverflow
John Rognes's user avatar
John Rognes's user avatar
John Rognes's user avatar
John Rognes
  • Member for 14 years, 2 months
  • Last seen this week
Profile Activity
Stats
9,263
reputation
96k
reached
102
answers
2
questions
Communities
About

I'm a math professor at the University of Oslo.

Badges
View all badges
This user doesn’t have any gold badges yet.
45
silver badges
52
bronze badges
Top tags
View all tags
606
Score
72
Posts
69
Posts %
283
Score
40
Posts
38
Posts %
172
Score
21
Posts
20
Posts %
148
Score
15
Posts
14
Posts %
93
Score
15
Posts
14
Posts %
84
Score
8
Posts
8
Posts %
Top posts
View all questions and answers
answer
28
Does Milnor K-Theory arise from Waldhausen K-Theory
Sep 30, 2010
answer
27
Motivation/interpretation for Quillen's Q-construction?
Sep 30, 2010
answer
21
Is this an instance of the snake lemma?
Dec 23, 2023
answer
21
Third differential in Atiyah Hirzebruch spectral sequence
Jun 23, 2011
answer
21
Integral cohomology (stable) operations
Jun 5, 2013
answer
19
Open subspaces of CW complexes
Aug 26, 2019
answer
19
Realizing $\mathcal{A}(2)//\mathcal{A}(1)$ by a finite spectrum
Jan 8, 2018
answer
18
Why the sphere spectrum is more correct than $\mathbb{Z}$?
Nov 5, 2022
answer
18
Is the cohomology ring $H^*(BG,\mathbb{Z})$ generated by Euler classes?
Feb 8, 2019
answer
18
$p$-adic Bott periodicity?
May 10, 2016