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Independent parameters for special instanton bundles on P^{2n+1}
instanton bundle moduli space rationality
2011/9/20
Abstract: Motivated by Yang-Mills theory in 4n dimensions, and generalizing the notion due to Atiyah, Drinfeld, Hitchin and Manin for n=1, Okonek, Spindler and Trautmann introduced instanton bundles a...
If K is a knot or link in R3 and S R3 is a smoothly embedded 2-sphere meeting K transversely in 4-points, then one can form a new knot or link K′ as follows. One cuts R3 along S and then glues the t...
By a mathematical instanton of charge n, we understand a rank-2 algebraic vector bundle E
on the 3-dimensional projective space P3 with Chern classes (1) c1(E) = 0, c2(E) = n,
satisfying the vanishi...
Instanton partition functions in N=2 SU(N) gauge theories with a general surface operator, and their W-algebra duals
Instanton partition functions N=2 SU(N) gauge theories general surface operator W-algebra duals
2011/3/2
We write down an explicit conjecture for the instanton partition functions in 4d N = 2 SU(N) gauge theories in the presence of a certain type of surface operator.
Notes On U(1) Instanton Counting On $A_{l-1}$ ALE Spaces
Notes On U(1) Instanton $A_{l-1}$ ALE Spaces
2010/12/15
In this note, we investigate the detailed relationship between the orbifold partition counting and the (l-quotient, l-core) pair counting. We show that the orbifold partition counting is exactly the s...
We construct instanton Floer homology for lens spaces L(p, q). As an application, we prove that X = CP2#CP2 does not admits a decomposition X = X1 [ X2. Here X1 and X2 are oriented, simply connected, ...