Abstract:We analyze the local structure of moduli space of genus one stable quasimaps. Combining it with the p-fields theory developed in [8], we prove the hyperplane property for genus one invariants of stable quasimaps to hypersurface in P n .
“…-in Section 5 so that we can get a tidy form (1.6). Once we do these for all i, then by using [LL,Corollary 1.3] e ref pV 1,1,d q X rQ red 1,1,d pP n qs " rQ 1,1,d pXqs vir ´c1 pL 2 q 12 rQ 0,2,d pXqs vir together with (1.4), the decomposition (1.5) proves Theorem 2.…”
Section: Introductionmentioning
confidence: 83%
“…of the obstruction bundle over Ă M is not so obvious, but it is proven in [LL,Equation (3.15)]. From now on for simplicity, we denote the domain of the morphism ιi by Q piq , by Q piq p the fiber product Q piq ˆQpiq Q piq p and by P piq the pullback of P piq .…”
Section: Using This Local Expression We Check That Hmentioning
confidence: 99%
“…Combining these with [LL,Theorem 1.1] e ref pV 1,1,d q X rQ red 1,1,d pP n qs " rQ 1,1,d pXqs vir ´rKs dimX´1 X `rM 1,1 s ˆrQ 0,2,d pXqs vir ˘, (5.10) for i " 1 becomes rQ p1q p s vir "p´1q dp ř i i q`m rKs dimX´1 X `rM 1,1 s ˆrQ 1,1,d pXqs vir (5.11) ´p´1q dp ř i i q`m rK 1 s dimX´1 rK 2 s dimX´1 X `rM 1,1 s ˆrQ 0,2,d pXqs vir ˆrM 1,1 s ˘,…”
Section: Local Freeness Of Conesmentioning
confidence: 99%
“…Its nontrivial contribution to the integration over rM 1,1 s ˆpe ref pV 1,1,d q X rQ red 1,1,d pP n qsq is only ´αψ. Hence rQ p1q p s vir " ´p´1q dp ř i i q`m 24 c 1 pLq X pe ref pV 1,1,d q X rQ red 1,1,d pP n qsq Using [LL,Corollary 1.3] e ref pV 1,1,d q X rQ red 1,1,d pP n qs " rQ 1,1,d pXqs vir ´c pLq 12 rQ 0,2,d pXqs vir , we obtain rQ p1q p s vir " ´p´1q dp ř i i q`m c 1 pLq X rQ 1,1,d pXqs vir `2 p´1q dp ř i i q`m 24 2 c 1 pL 1 qc 1 pL 2 q X rQ 0,2,d pXqs vir .…”
By the reduced component in a moduli space of stable quasimaps to n-dimensional projective space P n we mean the closure of the locus in which the domain curves are smooth. As in the moduli space of stable maps, we prove the reduced component is smooth in genus 2, degree ě 3.Then we prove the virtual fundamental cycle of the moduli space of stable quasimaps to a complete intersection X in P n of genus 2, degree ě 3 is explicitly expressed in terms of the fundamental cycle of the reduced component of P n and virtual cycles of lower genus ă 2 moduli spaces of X.
“…-in Section 5 so that we can get a tidy form (1.6). Once we do these for all i, then by using [LL,Corollary 1.3] e ref pV 1,1,d q X rQ red 1,1,d pP n qs " rQ 1,1,d pXqs vir ´c1 pL 2 q 12 rQ 0,2,d pXqs vir together with (1.4), the decomposition (1.5) proves Theorem 2.…”
Section: Introductionmentioning
confidence: 83%
“…of the obstruction bundle over Ă M is not so obvious, but it is proven in [LL,Equation (3.15)]. From now on for simplicity, we denote the domain of the morphism ιi by Q piq , by Q piq p the fiber product Q piq ˆQpiq Q piq p and by P piq the pullback of P piq .…”
Section: Using This Local Expression We Check That Hmentioning
confidence: 99%
“…Combining these with [LL,Theorem 1.1] e ref pV 1,1,d q X rQ red 1,1,d pP n qs " rQ 1,1,d pXqs vir ´rKs dimX´1 X `rM 1,1 s ˆrQ 0,2,d pXqs vir ˘, (5.10) for i " 1 becomes rQ p1q p s vir "p´1q dp ř i i q`m rKs dimX´1 X `rM 1,1 s ˆrQ 1,1,d pXqs vir (5.11) ´p´1q dp ř i i q`m rK 1 s dimX´1 rK 2 s dimX´1 X `rM 1,1 s ˆrQ 0,2,d pXqs vir ˆrM 1,1 s ˘,…”
Section: Local Freeness Of Conesmentioning
confidence: 99%
“…Its nontrivial contribution to the integration over rM 1,1 s ˆpe ref pV 1,1,d q X rQ red 1,1,d pP n qsq is only ´αψ. Hence rQ p1q p s vir " ´p´1q dp ř i i q`m 24 c 1 pLq X pe ref pV 1,1,d q X rQ red 1,1,d pP n qsq Using [LL,Corollary 1.3] e ref pV 1,1,d q X rQ red 1,1,d pP n qs " rQ 1,1,d pXqs vir ´c pLq 12 rQ 0,2,d pXqs vir , we obtain rQ p1q p s vir " ´p´1q dp ř i i q`m c 1 pLq X rQ 1,1,d pXqs vir `2 p´1q dp ř i i q`m 24 2 c 1 pL 1 qc 1 pL 2 q X rQ 0,2,d pXqs vir .…”
By the reduced component in a moduli space of stable quasimaps to n-dimensional projective space P n we mean the closure of the locus in which the domain curves are smooth. As in the moduli space of stable maps, we prove the reduced component is smooth in genus 2, degree ě 3.Then we prove the virtual fundamental cycle of the moduli space of stable quasimaps to a complete intersection X in P n of genus 2, degree ě 3 is explicitly expressed in terms of the fundamental cycle of the reduced component of P n and virtual cycles of lower genus ă 2 moduli spaces of X.
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