Give an example of a bounded domain and a piecewise $C^1$ closed curve satisfy given conditions.











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  1. Give an example of a bounded domain $Omega subset mathbb {C}$ and a piecewise $C^1$ closed curve $f$ in $Omega$ such that $I(f;z)=5$ for some $z in mathbb {C}/Omega$. (Here $C^1$ means the components have continuous derivatives for all t within the interval $[a,b]$. And $I(f;z)=5$ is the winding number of $f$ on $z$.)



  2. Give an example of a bounded domain $Omega subset mathbb {C}$ and a cycle $Gamma=rho_1 + rho_2 + dots +rho_s$ for some $sin mathbb {Z}_+$, such that




    • each $rho_i$ is a $C^1$ simple closed cuve in $Omega$,

    • no two $rho_i, rho_j$ intersect, and

    • for every $k in {1, dots,5}$ there is a point $a_kin {C}/Omega$ such that $I(Gamma;a_k)=k$.












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    1. Give an example of a bounded domain $Omega subset mathbb {C}$ and a piecewise $C^1$ closed curve $f$ in $Omega$ such that $I(f;z)=5$ for some $z in mathbb {C}/Omega$. (Here $C^1$ means the components have continuous derivatives for all t within the interval $[a,b]$. And $I(f;z)=5$ is the winding number of $f$ on $z$.)



    2. Give an example of a bounded domain $Omega subset mathbb {C}$ and a cycle $Gamma=rho_1 + rho_2 + dots +rho_s$ for some $sin mathbb {Z}_+$, such that




      • each $rho_i$ is a $C^1$ simple closed cuve in $Omega$,

      • no two $rho_i, rho_j$ intersect, and

      • for every $k in {1, dots,5}$ there is a point $a_kin {C}/Omega$ such that $I(Gamma;a_k)=k$.












    share|cite|improve this question
























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      1. Give an example of a bounded domain $Omega subset mathbb {C}$ and a piecewise $C^1$ closed curve $f$ in $Omega$ such that $I(f;z)=5$ for some $z in mathbb {C}/Omega$. (Here $C^1$ means the components have continuous derivatives for all t within the interval $[a,b]$. And $I(f;z)=5$ is the winding number of $f$ on $z$.)



      2. Give an example of a bounded domain $Omega subset mathbb {C}$ and a cycle $Gamma=rho_1 + rho_2 + dots +rho_s$ for some $sin mathbb {Z}_+$, such that




        • each $rho_i$ is a $C^1$ simple closed cuve in $Omega$,

        • no two $rho_i, rho_j$ intersect, and

        • for every $k in {1, dots,5}$ there is a point $a_kin {C}/Omega$ such that $I(Gamma;a_k)=k$.












      share|cite|improve this question














      1. Give an example of a bounded domain $Omega subset mathbb {C}$ and a piecewise $C^1$ closed curve $f$ in $Omega$ such that $I(f;z)=5$ for some $z in mathbb {C}/Omega$. (Here $C^1$ means the components have continuous derivatives for all t within the interval $[a,b]$. And $I(f;z)=5$ is the winding number of $f$ on $z$.)



      2. Give an example of a bounded domain $Omega subset mathbb {C}$ and a cycle $Gamma=rho_1 + rho_2 + dots +rho_s$ for some $sin mathbb {Z}_+$, such that




        • each $rho_i$ is a $C^1$ simple closed cuve in $Omega$,

        • no two $rho_i, rho_j$ intersect, and

        • for every $k in {1, dots,5}$ there is a point $a_kin {C}/Omega$ such that $I(Gamma;a_k)=k$.









      complex-analysis winding-number






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      asked Nov 18 at 18:16









      wtnmath

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