## Homology, Homotopy and Applications

- Homology Homotopy Appl.
- Volume 4, Number 2 (2002), 29-62.

### Secondary cohomology and the Steenrod square

#### Abstract

We introduce and study various properties of the secondary cohomology of a space. Certain Steenrod squares are shown to be related to the action of the symmetric groups on secondary cohomology.

#### Article information

**Source**

Homology Homotopy Appl., Volume 4, Number 2 (2002), 29-62.

**Dates**

First available in Project Euclid: 13 February 2006

**Permanent link to this document**

https://projecteuclid.org/euclid.hha/1139852456

**Mathematical Reviews number (MathSciNet)**

MR1918183

**Zentralblatt MATH identifier**

0996.55005

**Subjects**

Primary: 55U35: Abstract and axiomatic homotopy theory

Secondary: 18D99: None of the above, but in this section 55S30: Massey products 55S99: None of the above, but in this section

#### Citation

Baues, Hans-Joachim. Secondary cohomology and the Steenrod square. Homology Homotopy Appl. 4 (2002), no. 2, 29--62. https://projecteuclid.org/euclid.hha/1139852456