Is there a holomorphic diffeomorphism of $mathbb{C}P^{2n+1}$ without fixed point?











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Is there a holomorphic diffeomorphism $f:mathbb{C}P^{2n+1}to mathbb{C}P^{2n+1}$ without fixed point?










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    Is there a holomorphic diffeomorphism $f:mathbb{C}P^{2n+1}to mathbb{C}P^{2n+1}$ without fixed point?










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      Is there a holomorphic diffeomorphism $f:mathbb{C}P^{2n+1}to mathbb{C}P^{2n+1}$ without fixed point?










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      Is there a holomorphic diffeomorphism $f:mathbb{C}P^{2n+1}to mathbb{C}P^{2n+1}$ without fixed point?







      complex-analysis fixed-point-theorems projective-space






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      edited Nov 20 at 17:38

























      asked Nov 20 at 16:03









      Ali Taghavi

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          No. The holomorphic diffeomorphisms of $mathbb C P^n$ are $PGL_{n+1}$. These always have fixed points because every matrix has an eigenvector.






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            1 Answer
            1






            active

            oldest

            votes








            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes








            up vote
            2
            down vote



            accepted










            No. The holomorphic diffeomorphisms of $mathbb C P^n$ are $PGL_{n+1}$. These always have fixed points because every matrix has an eigenvector.






            share|cite|improve this answer



























              up vote
              2
              down vote



              accepted










              No. The holomorphic diffeomorphisms of $mathbb C P^n$ are $PGL_{n+1}$. These always have fixed points because every matrix has an eigenvector.






              share|cite|improve this answer

























                up vote
                2
                down vote



                accepted







                up vote
                2
                down vote



                accepted






                No. The holomorphic diffeomorphisms of $mathbb C P^n$ are $PGL_{n+1}$. These always have fixed points because every matrix has an eigenvector.






                share|cite|improve this answer














                No. The holomorphic diffeomorphisms of $mathbb C P^n$ are $PGL_{n+1}$. These always have fixed points because every matrix has an eigenvector.







                share|cite|improve this answer














                share|cite|improve this answer



                share|cite|improve this answer








                edited Nov 20 at 17:55

























                answered Nov 20 at 17:38









                Ben

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