div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 3button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page3jpg target=_blank amp-img class=ts-thumb alt=Page 3: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 4button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page4jpg target=_blank amp-img class=ts-thumb alt=Page 4: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails4jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 5button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page5jpg target=_blank amp-img class=ts-thumb alt=Page 5: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails5jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 6button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page6jpg target=_blank amp-img class=ts-thumb alt=Page 6: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails6jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 7button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page7jpg target=_blank amp-img class=ts-thumb alt=Page 7: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails7jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 8button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page8jpg target=_blank amp-img class=ts-thumb alt=Page 8: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails8jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 9button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page9jpg target=_blank amp-img class=ts-thumb alt=Page 9: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails9jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 10button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page10jpg target=_blank amp-img class=ts-thumb alt=Page 10: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails10jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 11button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page11jpg target=_blank amp-img class=ts-thumb alt=Page 11: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails11jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 12button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page12jpg target=_blank amp-img class=ts-thumb alt=Page 12: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails12jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 13button div class=ts-image a href=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5page13jpg target=_blank amp-img class=ts-thumb alt=Page 13: · E Laitinen Remark The derived category is defined as the localization of the category of complexes and homotopy classes of chain maps with respect to homology isomorphisms src=https:reader043vdocumentinreader043viewer20220409095e81029c5e7e3158404cb62bhtml5thumbnails13jpg width=142 height=106 layout=responsive amp-imga 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