Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Longest paths related to Steenrod length of real projective spaces   We answer an open problem asked by Ravi Vakil in Homotopy theory: Find a
combinatorial interpretation of a function $f(n)$ that appears in the Steenrod
length of real projective $n$-space $\mathbb{RP}^n$.

12
The categories of this paper are: nucl-th
8
The categories of this paper are: hep-ex
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The categories of this paper are: nlin
21
The categories of this paper are: adap-org
5
The categories of this paper are: gr-qc
26
The categories of this paper are: bayes-an
32
The categories of this paper are: atom-ph
17
The categories of this paper are: q-fin
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The categories of this paper are: econ
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The categories of this paper are: eess
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The categories of this paper are: stat
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The categories of this paper are: dg-ga
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The categories of this paper are: math-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: nucl-ex
35
The categories of this paper are: mtrl-th