Geodesic
DONALDSON–THOMAS INVARIANTS OF LOCAL ELLIPTIC SURFACES VIA THE TOPOLOGICAL VERTEX
Forum of Mathematics, Sigma, Tome 7 (2019)

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We compute the Donaldson–Thomas invariants of a local elliptic surface with section. We introduce a new computational technique which is a mixture of motivic and toric methods. This allows us to write the partition function for the invariants in terms of the topological vertex. Utilizing identities for the topological vertex proved in Bryan et al. [‘Trace identities for the topological vertex’, Selecta Math. (N.S.)24 (2) (2018), 1527–1548, arXiv:math/1603.05271], we derive product formulas for the partition functions. The connected version of the partition function is written in terms of Jacobi forms. In the special case where the elliptic surface is a K3 surface, we get a derivation of the Katz–Klemm–Vafa formula for primitive curve classes which is independent of the computation of Kawai–Yoshioka. 
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     author = {JIM BRYAN and MARTIJN KOOL},
     title = {DONALDSON{\textendash}THOMAS {INVARIANTS} {OF} {LOCAL} {ELLIPTIC} {SURFACES} {VIA} {THE} {TOPOLOGICAL} {VERTEX}},
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JIM BRYAN; MARTIJN KOOL. DONALDSON–THOMAS INVARIANTS OF LOCAL ELLIPTIC SURFACES VIA THE TOPOLOGICAL VERTEX. Forum of Mathematics, Sigma, Tome 7 (2019). doi: 10.1017/fms.2019.1

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