<p>Let <InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="41980_2024_935_Article_IEq3.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="54" /> </InlineMediaObject> <EquationSource Format="TEX">\(G=\mathbb {Z}_2\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>G</mi> <mo>=</mo> <msub> <mi mathvariant="double-struck">Z</mi> <mn>2</mn> </msub> </mrow> </math></EquationSource> </InlineEquation> act on a finite CW-complex <i>X</i> having mod 2 cohomology isomorphic to the product of quaternionic projective space and sphere <InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="41980_2024_935_Article_IEq4.gif" Format="GIF" Height="17" Rendition="HTML" Resolution="72" Type="Linedraw" Width="157" /> </InlineMediaObject> <EquationSource Format="TEX">\(\mathbb {H}P^n\times \mathbb {S}^m,~ n,m\ge 1.\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi mathvariant="double-struck">H</mi> <msup> <mi>P</mi> <mi>n</mi> </msup> <mo>×</mo> <msup> <mrow> <mi mathvariant="double-struck">S</mi> </mrow> <mi>m</mi> </msup> <mo>,</mo> <mspace width="3.33333pt" /> <mi>n</mi> <mo>,</mo> <mi>m</mi> <mo>≥</mo> <mn>1</mn> <mo>.</mo> </mrow> </math></EquationSource> </InlineEquation> This paper is concerned with the connected fixed point sets of involutions and the orbit spaces of free involutions on <i>X</i>.</p>

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Connected Fixed Point Sets of Involutions on \(\mathbb {H}P^n \times \mathbb {S}^m\)

  • Dimpi,
  • Hemant Kumar Singh

摘要

Let \(G=\mathbb {Z}_2\) G = Z 2 act on a finite CW-complex X having mod 2 cohomology isomorphic to the product of quaternionic projective space and sphere \(\mathbb {H}P^n\times \mathbb {S}^m,~ n,m\ge 1.\) H P n × S m , n , m 1 . This paper is concerned with the connected fixed point sets of involutions and the orbit spaces of free involutions on X.