div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentmit-hrmpaperslooping-mppdf-looping-massey-peterson-towers-71-since-is-exacthtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: MIT Mathematicsmathmitedu~hrmpaperslooping-mppdf · Looping Massey-Peterson towers 71 Since is exact and is monic on projectives standard homological methods imply that QI loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer20220710205fd4500f38884246ce7ba874html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentmit-hrmpaperslooping-mppdf-looping-massey-peterson-towers-71-since-is-exacthtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: MIT Mathematicsmathmitedu~hrmpaperslooping-mppdf · Looping Massey-Peterson towers 71 Since is exact and is monic on projectives standard homological methods imply that QI loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer20220710205fd4500f38884246ce7ba874html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentmit-hrmpaperslooping-mppdf-looping-massey-peterson-towers-71-since-is-exacthtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: MIT Mathematicsmathmitedu~hrmpaperslooping-mppdf · Looping Massey-Peterson towers 71 Since is exact and is monic on projectives standard homological methods imply that QI loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...