{"id":220,"date":"2023-11-09T11:08:03","date_gmt":"2023-11-09T11:08:03","guid":{"rendered":"https:\/\/hodge.maths.ed.ac.uk\/?page_id=220"},"modified":"2023-11-09T11:08:03","modified_gmt":"2023-11-09T11:08:03","slug":"coulomb-branch-varieties","status":"publish","type":"page","link":"https:\/\/hodge.maths.ed.ac.uk\/?page_id=220","title":{"rendered":"Coulomb Branch Varieties"},"content":{"rendered":"\n<p>This is the webpage for a working seminar on Coulomb Branch Varieties. The first edition happened in autumn\/winter 2019\/20. As of July 2020, the seminar is now&nbsp;<strong>asynchronous<\/strong>, so it can be attended virtually at any time. The live talks have been replaced with a set of notes on Overleaf &#8211; each &#8216;speaker&#8217; now adds a section to the notes for their &#8216;talk&#8217;. The plan is for new &#8216;talks&#8217; to be added about once a fortnight. The notes should also double as a discussion board &#8211; all participants are encouraged to add frequent questions and comments to the notes (which have some special LaTeX commands to make this easier).<\/p>\n\n\n\n<p>A&nbsp;<strong>read-only<\/strong>&nbsp;version of the notes can be found&nbsp;<a target=\"_blank\" href=\"https:\/\/www.overleaf.com\/read\/tfmvnjtgzxsx\" rel=\"noreferrer noopener\">here<\/a>.&nbsp;<strong>To obtain a read\/write link (which is essential to ask questions), please email Dougal Davis&nbsp;<a href=\"mailto:dougal.davis@ed.ac.uk\">dougal.davis@ed.ac.uk<\/a>.<\/strong>&nbsp;Also email Dougal to sign up for email updates.<\/p>\n\n\n\n<p>Suggested talks:&nbsp;(Please volunteer!)<\/p>\n\n\n\n<p>(Online!)&nbsp;<strong>Overview of Coulomb branch varieties<\/strong>&nbsp;(Dougal)<\/p>\n\n\n\n<p>(Online!)&nbsp;<strong>Definition, toy examples and basic properties of Coulomb branch varieties, I<\/strong>&nbsp;(Dougal)<\/p>\n\n\n\n<p>(Online!)&nbsp;<strong>Definition, toy examples and basic properties of Coulomb branch varieties, II<\/strong>&nbsp;(Dougal)<\/p>\n\n\n\n<p>Braverman-Finkelberg,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/1807.09038\" rel=\"noreferrer noopener\">Coulomb branches of 3-dimensional gauge theories and related structures.<\/a><br>Braverman-Finkelberg-Nakajima,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/1601.03586\" rel=\"noreferrer noopener\">Towards a mathematical definition of Coulomb branches of 3-dimensional N = 4 gauge theories, II<\/a><br>Nakajima,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/1706.05154\" rel=\"noreferrer noopener\">Introduction to a provisional mathematical definition of Coulomb branches of 3-dimensional N = 4 gauge theories<\/a><br>Nakajima,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/1503.03676\" rel=\"noreferrer noopener\">Towards a mathematical definition of Coulomb branches of 3-dimensional N =4 gauge theories, I<\/a><br>Nakajima,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/1510.03908\" rel=\"noreferrer noopener\">Questions on provisional Coulomb branches of 3-dimensional N = 4 gauge theories.<\/a><\/p>\n\n\n\n<p><strong>More sophisticated examples<\/strong>&nbsp;(???)<\/p>\n\n\n\n<p>Braverman-Finkelberg-Nakajima,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/1604.03625\" rel=\"noreferrer noopener\">Coulomb branches of 3d N = 4 quiver gauge theories and slices in the affine Grassmannian<\/a><br>Bezrukavnikov-Finkelberg-Mirkovic,&nbsp;<a target=\"_blank\" href=\"https:\/\/www.cambridge.org\/core\/journals\/compositio-mathematica\/article\/equivariant-homology-and-ktheory-of-affine-grassmannians-and-toda-lattices\/EDBE1754F7F5B202B9998A90A9D3CD8D\" rel=\"noreferrer noopener\">Equivariant homology and K-theory of affine Grassmannians and Toda lattices<\/a><\/p>\n\n\n\n<p><strong>BFN resolutions and deformations<\/strong>&nbsp;(???)<\/p>\n\n\n\n<p>Braverman-Finkelberg-Nakajima,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/1601.03586\" rel=\"noreferrer noopener\">Towards a mathematical definition of Coulomb branches of 3-dimensional N = 4 gauge theories, II<\/a>, sections 3(vii)-(ix)<br>Weekes,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/pdf\/2005.01702.pdf\" rel=\"noreferrer noopener\">Quiver gauge theories and symplectic singularities<\/a><\/p>\n\n\n\n<p><strong>Symplectic duality and Koszul duality<\/strong>&nbsp;(???)<\/p>\n\n\n\n<p>Bernstein-Ginzburg-Soergel,&nbsp;<a target=\"_blank\" href=\"https:\/\/www.jstor.org\/stable\/2152867?seq=1#metadata_info_tab_contents\" rel=\"noreferrer noopener\">Koszul Duality Patterns in Representation Theory<\/a>.<br>Braden-Licata-Proudfoot-Webster,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/1407.0964\" rel=\"noreferrer noopener\">Quantizations of conical symplectic resolutions II: category O and symplectic duality.<\/a><\/p>\n\n\n\n<p><strong>Can someone do any physics about what underlies this<\/strong>&nbsp;(???)<\/p>\n\n\n\n<p>Seiberg and Witten,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/hep-th\/9607163\" rel=\"noreferrer noopener\">Gauge Dynamics And Compactification To Three Dimensions<\/a><br>Bullimore, Dimofte, and Gaiotto,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/1503.04817\" rel=\"noreferrer noopener\">The Coulomb Branch of 3d N = 4 Theories<\/a><br>Bullimore, Dimofte, Gaiotto, and Hilburn,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/1603.08382\" rel=\"noreferrer noopener\">Boundaries, Mirror Symmetry, and Symplectic Duality in 3d N=4 Gauge Theory<\/a><br>Bullimore, Ferrari, and Kim,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/1812.05567\" rel=\"noreferrer noopener\">Twisted Indices of 3d N = 4 Gauge Theories and Enumerative Geometry of Quasi-Maps<\/a><\/p>\n\n\n\n<p><strong>Representation theory of Coulomb branch algebras<\/strong>&nbsp;(???)<\/p>\n\n\n\n<p>Hilburn, Kamnitzer, and Weekes,&nbsp;<a target=\"_blank\" href=\"https:\/\/arxiv.org\/abs\/2004.14998\" rel=\"noreferrer noopener\">BFN Springer theory<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is the webpage for a working seminar on Coulomb Branch Varieties. The first edition happened in autumn\/winter 2019\/20. As of July 2020, the seminar is now&nbsp;asynchronous, so it can be attended virtually at any time. The live talks have been replaced with a set of notes on Overleaf &#8211; each &#8216;speaker&#8217; now adds a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":76,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-220","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/pages\/220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=220"}],"version-history":[{"count":1,"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/pages\/220\/revisions"}],"predecessor-version":[{"id":221,"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/pages\/220\/revisions\/221"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/media\/76"}],"wp:attachment":[{"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}