Not signed in

Want to take part in these discussions? Sign in if you have an account, or apply for one below

• Username
• Password
• Remember me

• Sign in using OpenID
• Remember me

• Forgot your password?
• Apply for membership

2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry book bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-type-theory cohomology colimits combinatorics complex complex-geometry computable-mathematics computer-science constructive cosmology deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry digraphs duality elliptic-cohomology enriched fibration foundation foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry graph graphs gravity grothendieck group group-theory harmonic-analysis higher higher-algebra higher-category-theory higher-differential-geometry higher-geometry higher-lie-theory higher-topos-theory homological homological-algebra homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory internal-categories k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology nlab noncommutative noncommutative-geometry number-theory of operads operator operator-algebra order-theory pages pasting philosophy physics pro-object probability probability-theory quantization quantum quantum-field quantum-field-theory quantum-mechanics quantum-physics quantum-theory question representation representation-theory riemannian-geometry scheme schemes set set-theory sheaf simplicial space spin-geometry stable-homotopy-theory stack string string-theory superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeMar 19th 2019
   • PermaLink
   Author: Urs
   Format: MarkdownItexstarting something here. For the moment this is just the list of references which I had previously recorded at _[[RR-field tadpole cancellation]]_, now joined by a quick Idea-sentence and a minimal statement of the actual cancellation condition <a href="https://ncatlab.org/nlab/revision/C-field+tadpole+cancellation/1">v1</a>, <a href="https://ncatlab.org/nlab/show/C-field+tadpole+cancellation">current</a>

   starting something here. For the moment this is just the list of references which I had previously recorded at RR-field tadpole cancellation, now joined by a quick Idea-sentence and a minimal statement of the actual cancellation condition

   v1, current

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeMar 21st 2019
   • PermaLink
   Author: Urs
   Format: MarkdownItexadded pointer to * {#Sethi07} [[Savdeep Sethi]], around (2) in _A Note on Heterotic Dualities via M-theory_, Phys.Lett.B659:385-387, 2008 ([arXiv:0707.0295](https://arxiv.org/abs/0707.0295)) <a href="https://ncatlab.org/nlab/revision/diff/C-field+tadpole+cancellation/9">diff</a>, <a href="https://ncatlab.org/nlab/revision/C-field+tadpole+cancellation/9">v9</a>, <a href="https://ncatlab.org/nlab/show/C-field+tadpole+cancellation">current</a>

   added pointer to

   • {#Sethi07} Savdeep Sethi, around (2) in A Note on Heterotic Dualities via M-theory, Phys.Lett.B659:385-387, 2008 (arXiv:0707.0295)

   diff, v9, current

3. • CommentRowNumber3.
   • CommentAuthorUrs
   • CommentTimeNov 11th 2019
   • (edited Nov 11th 2019)
   • PermaLink
   Author: Urs
   Format: MarkdownItexadded the proof ([here](https://ncatlab.org/nlab/show/C-field+tadpole+cancellation#IntegralityOnK3TimesK3)) that the Dasgupte-Mukhi-expression is an integer on $X^8 = K3 \times K3$ <a href="https://ncatlab.org/nlab/revision/diff/C-field+tadpole+cancellation/18">diff</a>, <a href="https://ncatlab.org/nlab/revision/C-field+tadpole+cancellation/18">v18</a>, <a href="https://ncatlab.org/nlab/show/C-field+tadpole+cancellation">current</a>

   added the proof (here) that the Dasgupte-Mukhi-expression is an integer on $X^8 = K3 \times K3$

   diff, v18, current