Recent Issues
Volume 28, 2 issues
Volume 28
Issue 2, 497–1003
Issue 1, 1–496
Volume 27, 9 issues
Volume 27
Issue 9, 3387–3831
Issue 8, 2937–3385
Issue 7, 2497–2936
Issue 6, 2049–2496
Issue 5, 1657–2048
Issue 4, 1273–1655
Issue 3, 823–1272
Issue 2, 417–821
Issue 1, 1–415
Volume 26, 8 issues
Volume 26
Issue 8, 3307–3833
Issue 7, 2855–3306
Issue 6, 2405–2853
Issue 5, 1907–2404
Issue 4, 1435–1905
Issue 3, 937–1434
Issue 2, 477–936
Issue 1, 1–476
Volume 25, 7 issues
Volume 25
Issue 7, 3257–3753
Issue 6, 2713–3256
Issue 5, 2167–2711
Issue 4, 1631–2166
Issue 3, 1087–1630
Issue 2, 547–1085
Issue 1, 1–546
Volume 24, 7 issues
Volume 24
Issue 7, 3219–3748
Issue 6, 2675–3218
Issue 5, 2149–2674
Issue 4, 1615–2148
Issue 3, 1075–1614
Issue 2, 533–1073
Issue 1, 1–532
Volume 23, 7 issues
Volume 23
Issue 7, 3233–3749
Issue 6, 2701–3231
Issue 5, 2165–2700
Issue 4, 1621–2164
Issue 3, 1085–1619
Issue 2, 541–1084
Issue 1, 1–540
Volume 22, 7 issues
Volume 22
Issue 7, 3761–4380
Issue 6, 3145–3760
Issue 5, 2511–3144
Issue 4, 1893–2510
Issue 3, 1267–1891
Issue 2, 645–1266
Issue 1, 1–644
Volume 21, 6 issues
Volume 21
Issue 6, 3191–3810
Issue 5, 2557–3190
Issue 4, 1931–2555
Issue 3, 1285–1930
Issue 2, 647–1283
Issue 1, 1–645
Volume 20, 6 issues
Volume 20
Issue 6, 3057–3673
Issue 5, 2439–3056
Issue 4, 1807–2438
Issue 3, 1257–1806
Issue 2, 629–1255
Issue 1, 1–627
Volume 19, 6 issues
Volume 19
Issue 6, 3031–3656
Issue 5, 2407–3030
Issue 4, 1777–2406
Issue 3, 1155–1775
Issue 2, 525–1154
Issue 1, 1–523
Volume 18, 5 issues
Volume 18
Issue 5, 2487–3110
Issue 4, 1865–2486
Issue 3, 1245–1863
Issue 2, 617–1244
Issue 1, 1–616
Volume 17, 5 issues
Volume 17
Issue 5, 2513–3134
Issue 4, 1877–2512
Issue 3, 1253–1876
Issue 2, 621–1252
Issue 1, 1–620
Volume 16, 4 issues
Volume 16
Issue 4, 1881–2516
Issue 3, 1247–1880
Issue 2, 625–1246
Issue 1, 1–624
Volume 15, 4 issues
Volume 15
Issue 4, 1843–2457
Issue 3, 1225–1842
Issue 2, 609–1224
Issue 1, 1–607
Volume 14, 5 issues
Volume 14
Issue 5, 2497–3000
Issue 4, 1871–2496
Issue 3, 1243–1870
Issue 2, 627–1242
Issue 1, 1–626
Volume 13, 5 issues
Volume 13
Issue 5, 2427–3054
Issue 4, 1835–2425
Issue 3, 1229–1833
Issue 2, 623–1227
Issue 1, 1–621
Volume 12, 5 issues
Volume 12
Issue 5, 2517–2855
Issue 4, 1883–2515
Issue 3, 1265–1882
Issue 2, 639–1263
Issue 1, 1–637
Volume 11, 4 issues
Volume 11
Issue 4, 1855–2440
Issue 3, 1255–1854
Issue 2, 643–1254
Issue 1, 1–642
Volume 10, 4 issues
Volume 10
Issue 4, 1855–2504
Issue 3, 1239–1853
Issue 2, 619–1238
Issue 1, 1–617
Volume 9, 4 issues
Volume 9
Issue 4, 1775–2415
Issue 3, 1187–1774
Issue 2, 571–1185
Issue 1, 1–569
Volume 8, 3 issues
Volume 8
Issue 3, 1013–1499
Issue 2, 511–1012
Issue 1, 1–509
Volume 7, 2 issues
Volume 7
Issue 2, 569–1073
Issue 1, 1–568
Volume 6, 2 issues
Volume 6
Issue 2, 495–990
Issue 1, 1–494
Volume 5, 2 issues
Volume 5
Issue 2, 441–945
Issue 1, 1–440
Volume 4, 1 issue
Volume 3, 1 issue
Volume 2, 1 issue
Volume 1, 1 issue
1
J F Adams ,
On the
non-existence of elements of Hopf invariant one , Ann.
of Math. 72 (1960) 20 MR0141119
2
J Adem , The
iteration of the Steenrod squares in algebraic topology ,
Proc. Nat. Acad. Sci. U. S. A. 38 (1952) 720 MR0050278
3
M Berger , Trois
remarques sur les variétés riemanniennes à courbure
positive , C. R. Acad. Sci. Paris Sér. A-B 263 (1966)
MR0199823
4
R L Bishop ,
S I Goldberg , Some implications of the
generalized Gauss–Bonnet theorem , Trans. Amer. Math.
Soc. 112 (1964) 508 MR0163271
5
S s Chern ,
On curvature
and characteristic classes of a Riemann manifold , Abh.
Math. Sem. Univ. Hamburg 20 (1955) 117 MR0075647
6
P E Conner ,
On
the action of the circle group , Michigan Math. J. 4
(1957) 241 MR0096747
7
O Dearricott ,
A
7-manifold with positive curvature , Duke Math. J. 158
(2011) 307 MR2805071
8
K Grove ,
Developments around positive sectional curvature , from:
"Surveys in differential geometry. Vol. XIII. Geometry,
analysis, and algebraic geometry : forty years of the
Journal of Differential Geometry" (editors H D Cao,
S T Yau), Surv. Differ. Geom. 13, International Press
(2009) 117 MR2537084
9
K Grove , L
Verdiani , W Ziller , An exotic
T 1 𝕊 4 with
positive curvature , Geom. Funct. Anal. 21 (2011) 499
MR2810857
10
A Hatcher ,
Algebraic topology , Cambridge Univ. Press (2002)
MR1867354
11
A Liulevicius , The
factorization of cyclic reduced powers by secondary cohomology
operations , Mem. Amer. Math. Soc. No. 42 (1962) 112
MR0182001
12
P Petersen , F
Wilhelm , An exotic sphere with positive curvature
arXiv:0805.0812v3
13
T Püttmann , C
Searle , The Hopf
conjecture for manifolds with low cohomogeneity or high
symmetry rank , Proc. Amer. Math. Soc. 130 (2002) 163
MR1855634
14
X Rong , X Su ,
The
Hopf conjecture for manifolds with abelian group
actions , Commun. Contemp. Math. 7 (2005) 121 MR2129791
15
N Shimada , T
Yamanoshita , On triviality of the mod p Hopf
invariant , Japan J. Math. 31 (1961) 1 MR0148060
16
X Su , Y Wang ,
The
Hopf conjecture for positively curved manifolds with discrete
abelian group actions , Differential Geom. Appl. 26
(2008) 313 MR2421709
17
B Wilking , Torus actions on
manifolds of positive sectional curvature , Acta Math.
191 (2003) 259 MR2051400
18
B Wilking , Positively
curved manifolds with symmetry , Ann. of Math. 163
(2006) 607 MR2199227
19
B Wilking ,
Nonnegatively and positively curved manifolds , from:
"Surveys in differential geometry. Vol. XI" (editors J Cheeger,
K Grove), Surv. Differ. Geom. 11, International Press (2007) 25
MR2408263
20
W Ziller , Examples
of Riemannian manifolds with non-negative sectional
curvature , from: "Surveys in differential geometry. Vol.
XI" (editors J Cheeger, K Grove), Surv. Differ. Geom. 11,
International Press (2007) 63 MR2408264