- impossible objects
- a whistle-stop tour of Galois categories
- twin peaks and arithmetic geometry
- an important arithmetic surface
- how to spot a scheme in a crowd of presheaves
- landmarks in the topology lattice
- Notes on the Oxford IUT workshop by Brian Conrad
- category = generalised space
- rational points and relative schemes
- scheme = variety over every ring
- fat points on schemes and the chinese remainder theorem
- visions of schemes
- algebra is the opposite of geometry
- scheme starter pack
- an unusual proof of the infinitude of the primes
- ringed topological spaces
- more freaky stuff which happens with sheaves
- bundling up stalks: sheafification of a presheaf
- cut and paste: sheaves on a space
- hello!

Advertisements
(function(g,$){if("undefined"!=typeof g.__ATA){
g.__ATA.initAd({collapseEmpty:'after', sectionId:26942, width:300, height:250});
g.__ATA.initAd({collapseEmpty:'after', sectionId:114160, width:300, height:250});
}})(window,jQuery);
var o = document.getElementById('crt-1511602460');
if ("undefined"!=typeof Criteo) {
var p = o.parentNode;
p.style.setProperty('display', 'inline-block', 'important');
o.style.setProperty('display', 'block', 'important');
Criteo.DisplayAcceptableAdIfAdblocked({zoneid:388248,containerid:"crt-1511602460",collapseContainerIfNotAdblocked:true,"callifnotadblocked": function () {var o = document.getElementById('crt-1511602460'); o.style.setProperty('display','none','important');o.style.setProperty('visbility','hidden','important'); } });
} else {
o.style.setProperty('display', 'none', 'important');
o.style.setProperty('visibility', 'hidden', 'important');
}
var o = document.getElementById('crt-646919940');
if ("undefined"!=typeof Criteo) {
var p = o.parentNode;
p.style.setProperty('display', 'inline-block', 'important');
o.style.setProperty('display', 'block', 'important');
Criteo.DisplayAcceptableAdIfAdblocked({zoneid:837497,containerid:"crt-646919940",collapseContainerIfNotAdblocked:true,"callifnotadblocked": function () {var o = document.getElementById('crt-646919940'); o.style.setProperty('display','none','important');o.style.setProperty('visbility','hidden','important'); } });
} else {
o.style.setProperty('display', 'none', 'important');
o.style.setProperty('visibility', 'hidden', 'important');
}