Sandbox

The sandbox is the page where you can experiment with the wiki syntax. Feel free to write nonsense or clear the page whenever you want.

1 citing

[Kervaire&Milnor1963] [Kervaire&Milnor1963]

2 Fonts

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$a b c/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_P6sLKC$$\newcommand{\bZ}{\mathbb{Z}} \newcommand{\bR}{\mathbb{R}} \newcommand{\bC}{\mathbb{C}} \newcommand{\bH}{\mathbb{H}} \newcommand{\bQ}{\mathbb{Q}} \newcommand{\bF}{\mathbb{F}} \newcommand{\bN}{\mathbb{N}} \DeclareMathOperator\id{id} % identity map \DeclareMathOperator\Sq{Sq} % Steenrod squares \DeclareMathOperator\Homeo{Homeo} % group of homeomorphisms of a topoloical space \DeclareMathOperator\Diff{Diff} % group of diffeomorphisms of a smooth manifold \DeclareMathOperator\SDiff{SDiff} % diffeomorphism under some constraint \DeclareMathOperator\Hom{Hom} % homomrphism group \DeclareMathOperator\End{End} % endomorphism group \DeclareMathOperator\Aut{Aut} % automorphism group \DeclareMathOperator\Inn{Inn} % inner automorphisms \DeclareMathOperator\Out{Out} % outer automorphism group \DeclareMathOperator\vol{vol} % volume \newcommand{\GL}{\text{GL}} % general linear group \newcommand{\SL}{\text{SL}} % special linear group \newcommand{\SO}{\text{SO}} % special orthogonal group \newcommand{\O}{\text{O}} % orthogonal group \newcommand{\SU}{\text{SU}} % special unitary group \newcommand{\Spin}{\text{Spin}} % Spin group \newcommand{\RP}{\Rr\mathrm P} % real projective space \newcommand{\CP}{\Cc\mathrm P} % complex projective space \newcommand{\HP}{\Hh\mathrm P} % quaternionic projective space \newcommand{\Top}{\mathrm{Top}} % topological category \newcommand{\PL}{\mathrm{PL}} % piecewise linear category \newcommand{\Cat}{\mathrm{Cat}} % any category \newcommand{\KS}{\text{KS}} % Kirby-Siebenmann class \newcommand{\Hud}{\text{Hud}} % Hudson torus \newcommand{\underbar}{\underline} %Classifying Spaces for Families of Subgroups \newcommand{\textup}{\text} \newcommand{\sp}{^}\newcommand{\ZZZ}{\mathbb{Z}}a b c$ CM: The connected sum of $\RP^2/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_B7EQPM$$\RP^2$ with $T^2ZZZ/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_xD4NjX$$T^2ZZZ$ is homeomorphic to $\RP^2\mathbin{\sharp}\RP^2\mathbin{\sharp}\RP^2X/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_TIBic8$$\RP^2\mathbin{\sharp}\RP^2\mathbin{\sharp}\RP^2X$.

HV: The connected sum of $\RP^2/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_J1DKuj$$\RP^2$ with $T^2XXX/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_19Ekcv$$T^2XXX$ is homeomorphic to $\RP^2\mathbin{\sharp}\RP^2\mathbin{\sharp}\RP^2Y/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_b60ysH$$\RP^2\mathbin{\sharp}\RP^2\mathbin{\sharp}\RP^2Y$.

LM: The connected sum of $\RP^2/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_XjcncU$$\RP^2$ with $T^2YYYY/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_HyQDm7$$T^2YYYY$ is homeomorphic to $\RP^2\mathbin{\sharp}\RP^2\mathbin{\sharp}\RP^2Z/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_zFElXk$$\RP^2\mathbin{\sharp}\RP^2\mathbin{\sharp}\RP^2Z$.

MF: The connected sum of $\RP^2/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_JZcg0y$$\RP^2$ with $T^2VVVV/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_xZ6JsN$$T^2VVVV$ is homeomorphic to $\RP^2\mathbin{\sharp}\RP^2\mathbin{\sharp}\RP^2ZZ/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_Vy1hx2$$\RP^2\mathbin{\sharp}\RP^2\mathbin{\sharp}\RP^2ZZ$.

The connected sum of $\RP^2/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_pTlz4h$$\RP^2$ with $T^2/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_n47W3x$$T^2$ is homeomorphic to $\RP^2\mathbin{\sharp}\RP^2\mathbin{\sharp}\RP^2ZZZ/var/www/vhost/map.mpim-bonn.mpg.de/tmp/AppWikiTex/tex_bBjwtO$$\RP^2\mathbin{\sharp}\RP^2\mathbin{\sharp}\RP^2ZZZ$.

3 Tests

[Ranicki1981]

Proof.

$\square$$\square$

frog

4 Section

4.1 Subsection

Refert to subsection 4.1

Theorem 4.1. test

Refer to theorem 4.1

5 Section

$\stackrel{CW^2}{\xrightarrow{\hspace*{0.75cm}}}$$\stackrel{CW^2}{\xrightarrow{\hspace*{0.75cm}}}$

An inter-Wiki link.

Another; inter-Wiki link.

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Template:Ref Poincare complexes are great:

$\displaystyle H_i(X) \cong H^{n-i}(X)$ $$\displaystyle H_i(X) \cong H^{n-i}(X)$$

$\displaystyle \oplus, \bigoplus$ $$\displaystyle \oplus, \bigoplus$$