Dual abelian variety and the cohomology of elements of dual abelian variety












1












$begingroup$


Let $X$ be a complex abelian variety. Then the dual abelian variety is $Pic^0(X)$. Is $Pic^0(X)$ is the set of degree zero line bundles on $X$? How do we define degree of a line bundle on a higher dimensional variety? Is $Pic^0(X)$ the set of line bundles on $X$ numerically equivalent to zero?



Another question I have is, if $Pin Pic^0(X)$, what can we say about $H^i(X,P)$? Is $H^0(X,P)=0$? It seems to me that the Euler characteristic is zero.










share|cite|improve this question









$endgroup$

















    1












    $begingroup$


    Let $X$ be a complex abelian variety. Then the dual abelian variety is $Pic^0(X)$. Is $Pic^0(X)$ is the set of degree zero line bundles on $X$? How do we define degree of a line bundle on a higher dimensional variety? Is $Pic^0(X)$ the set of line bundles on $X$ numerically equivalent to zero?



    Another question I have is, if $Pin Pic^0(X)$, what can we say about $H^i(X,P)$? Is $H^0(X,P)=0$? It seems to me that the Euler characteristic is zero.










    share|cite|improve this question









    $endgroup$















      1












      1








      1





      $begingroup$


      Let $X$ be a complex abelian variety. Then the dual abelian variety is $Pic^0(X)$. Is $Pic^0(X)$ is the set of degree zero line bundles on $X$? How do we define degree of a line bundle on a higher dimensional variety? Is $Pic^0(X)$ the set of line bundles on $X$ numerically equivalent to zero?



      Another question I have is, if $Pin Pic^0(X)$, what can we say about $H^i(X,P)$? Is $H^0(X,P)=0$? It seems to me that the Euler characteristic is zero.










      share|cite|improve this question









      $endgroup$




      Let $X$ be a complex abelian variety. Then the dual abelian variety is $Pic^0(X)$. Is $Pic^0(X)$ is the set of degree zero line bundles on $X$? How do we define degree of a line bundle on a higher dimensional variety? Is $Pic^0(X)$ the set of line bundles on $X$ numerically equivalent to zero?



      Another question I have is, if $Pin Pic^0(X)$, what can we say about $H^i(X,P)$? Is $H^0(X,P)=0$? It seems to me that the Euler characteristic is zero.







      algebraic-geometry






      share|cite|improve this question













      share|cite|improve this question











      share|cite|improve this question




      share|cite|improve this question










      asked Jan 27 at 18:47









      user349424user349424

      34317




      34317






















          0






          active

          oldest

          votes











          Your Answer





          StackExchange.ifUsing("editor", function () {
          return StackExchange.using("mathjaxEditing", function () {
          StackExchange.MarkdownEditor.creationCallbacks.add(function (editor, postfix) {
          StackExchange.mathjaxEditing.prepareWmdForMathJax(editor, postfix, [["$", "$"], ["\\(","\\)"]]);
          });
          });
          }, "mathjax-editing");

          StackExchange.ready(function() {
          var channelOptions = {
          tags: "".split(" "),
          id: "69"
          };
          initTagRenderer("".split(" "), "".split(" "), channelOptions);

          StackExchange.using("externalEditor", function() {
          // Have to fire editor after snippets, if snippets enabled
          if (StackExchange.settings.snippets.snippetsEnabled) {
          StackExchange.using("snippets", function() {
          createEditor();
          });
          }
          else {
          createEditor();
          }
          });

          function createEditor() {
          StackExchange.prepareEditor({
          heartbeatType: 'answer',
          autoActivateHeartbeat: false,
          convertImagesToLinks: true,
          noModals: true,
          showLowRepImageUploadWarning: true,
          reputationToPostImages: 10,
          bindNavPrevention: true,
          postfix: "",
          imageUploader: {
          brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
          contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
          allowUrls: true
          },
          noCode: true, onDemand: true,
          discardSelector: ".discard-answer"
          ,immediatelyShowMarkdownHelp:true
          });


          }
          });














          draft saved

          draft discarded


















          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fmath.stackexchange.com%2fquestions%2f3089969%2fdual-abelian-variety-and-the-cohomology-of-elements-of-dual-abelian-variety%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown

























          0






          active

          oldest

          votes








          0






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes
















          draft saved

          draft discarded




















































          Thanks for contributing an answer to Mathematics Stack Exchange!


          • Please be sure to answer the question. Provide details and share your research!

          But avoid



          • Asking for help, clarification, or responding to other answers.

          • Making statements based on opinion; back them up with references or personal experience.


          Use MathJax to format equations. MathJax reference.


          To learn more, see our tips on writing great answers.




          draft saved


          draft discarded














          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fmath.stackexchange.com%2fquestions%2f3089969%2fdual-abelian-variety-and-the-cohomology-of-elements-of-dual-abelian-variety%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown





















































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown

































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown







          Popular posts from this blog

          MongoDB - Not Authorized To Execute Command

          How to fix TextFormField cause rebuild widget in Flutter

          Npm cannot find a required file even through it is in the searched directory