Determinant computation is equivalent to matrix powering












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It has been claimed in this paper (page 2 last paragraph) that Matrix powering is equivalent to determinant computation.



https://www.cse.iitk.ac.in/users/manindra/algebra/depth-four.pdf



Does anybody why is this the case?










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    1












    $begingroup$


    It has been claimed in this paper (page 2 last paragraph) that Matrix powering is equivalent to determinant computation.



    https://www.cse.iitk.ac.in/users/manindra/algebra/depth-four.pdf



    Does anybody why is this the case?










    share|cite|improve this question







    New contributor




    grontim is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







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      1












      1








      1





      $begingroup$


      It has been claimed in this paper (page 2 last paragraph) that Matrix powering is equivalent to determinant computation.



      https://www.cse.iitk.ac.in/users/manindra/algebra/depth-four.pdf



      Does anybody why is this the case?










      share|cite|improve this question







      New contributor




      grontim is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      It has been claimed in this paper (page 2 last paragraph) that Matrix powering is equivalent to determinant computation.



      https://www.cse.iitk.ac.in/users/manindra/algebra/depth-four.pdf



      Does anybody why is this the case?







      complexity-theory matrices






      share|cite|improve this question







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      asked 4 hours ago









      grontimgrontim

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          $begingroup$

          It states that matrix powering is computationaly equivalent to computation.

          From another angle, Coppersmith–Winograd algorithm for matrix multiplication has complexity $mathcal O(n^{2.373})$ and the same complexity is for determinant computation by fast multiplication.

          The result comes from Triangularization and inversion via fast multiplication by James R. Bunch and John E. Hopcroft






          share|cite|improve this answer











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            $begingroup$

            Look at the paper by Stephen Cook (numbered $[3]$ in the references of the paper you have mentioned). There, in proposition $5.2$ in page $13$, he shows the "computational equivalence" between matrix powering and determinant computation (and other problems).






            share|cite|improve this answer









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            • $begingroup$
              Perhaps you should add the paper’s title, and if possible, a link.
              $endgroup$
              – Yuval Filmus
              30 mins ago











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            2 Answers
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            active

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            2 Answers
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            active

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            2












            $begingroup$

            It states that matrix powering is computationaly equivalent to computation.

            From another angle, Coppersmith–Winograd algorithm for matrix multiplication has complexity $mathcal O(n^{2.373})$ and the same complexity is for determinant computation by fast multiplication.

            The result comes from Triangularization and inversion via fast multiplication by James R. Bunch and John E. Hopcroft






            share|cite|improve this answer











            $endgroup$


















              2












              $begingroup$

              It states that matrix powering is computationaly equivalent to computation.

              From another angle, Coppersmith–Winograd algorithm for matrix multiplication has complexity $mathcal O(n^{2.373})$ and the same complexity is for determinant computation by fast multiplication.

              The result comes from Triangularization and inversion via fast multiplication by James R. Bunch and John E. Hopcroft






              share|cite|improve this answer











              $endgroup$
















                2












                2








                2





                $begingroup$

                It states that matrix powering is computationaly equivalent to computation.

                From another angle, Coppersmith–Winograd algorithm for matrix multiplication has complexity $mathcal O(n^{2.373})$ and the same complexity is for determinant computation by fast multiplication.

                The result comes from Triangularization and inversion via fast multiplication by James R. Bunch and John E. Hopcroft






                share|cite|improve this answer











                $endgroup$



                It states that matrix powering is computationaly equivalent to computation.

                From another angle, Coppersmith–Winograd algorithm for matrix multiplication has complexity $mathcal O(n^{2.373})$ and the same complexity is for determinant computation by fast multiplication.

                The result comes from Triangularization and inversion via fast multiplication by James R. Bunch and John E. Hopcroft







                share|cite|improve this answer














                share|cite|improve this answer



                share|cite|improve this answer








                edited 3 hours ago

























                answered 3 hours ago









                EvilEvil

                7,78342446




                7,78342446























                    1












                    $begingroup$

                    Look at the paper by Stephen Cook (numbered $[3]$ in the references of the paper you have mentioned). There, in proposition $5.2$ in page $13$, he shows the "computational equivalence" between matrix powering and determinant computation (and other problems).






                    share|cite|improve this answer









                    $endgroup$













                    • $begingroup$
                      Perhaps you should add the paper’s title, and if possible, a link.
                      $endgroup$
                      – Yuval Filmus
                      30 mins ago
















                    1












                    $begingroup$

                    Look at the paper by Stephen Cook (numbered $[3]$ in the references of the paper you have mentioned). There, in proposition $5.2$ in page $13$, he shows the "computational equivalence" between matrix powering and determinant computation (and other problems).






                    share|cite|improve this answer









                    $endgroup$













                    • $begingroup$
                      Perhaps you should add the paper’s title, and if possible, a link.
                      $endgroup$
                      – Yuval Filmus
                      30 mins ago














                    1












                    1








                    1





                    $begingroup$

                    Look at the paper by Stephen Cook (numbered $[3]$ in the references of the paper you have mentioned). There, in proposition $5.2$ in page $13$, he shows the "computational equivalence" between matrix powering and determinant computation (and other problems).






                    share|cite|improve this answer









                    $endgroup$



                    Look at the paper by Stephen Cook (numbered $[3]$ in the references of the paper you have mentioned). There, in proposition $5.2$ in page $13$, he shows the "computational equivalence" between matrix powering and determinant computation (and other problems).







                    share|cite|improve this answer












                    share|cite|improve this answer



                    share|cite|improve this answer










                    answered 3 hours ago









                    Don FanucciDon Fanucci

                    427311




                    427311












                    • $begingroup$
                      Perhaps you should add the paper’s title, and if possible, a link.
                      $endgroup$
                      – Yuval Filmus
                      30 mins ago


















                    • $begingroup$
                      Perhaps you should add the paper’s title, and if possible, a link.
                      $endgroup$
                      – Yuval Filmus
                      30 mins ago
















                    $begingroup$
                    Perhaps you should add the paper’s title, and if possible, a link.
                    $endgroup$
                    – Yuval Filmus
                    30 mins ago




                    $begingroup$
                    Perhaps you should add the paper’s title, and if possible, a link.
                    $endgroup$
                    – Yuval Filmus
                    30 mins ago










                    grontim is a new contributor. Be nice, and check out our Code of Conduct.










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