how to find Gromov-Witten invariants of Calabi-Yau threefolds like finding this invariant ring below?
B(1)[1,1]=x+y+z B(1)[1,2]=xy+xz+yz B(1)[1,3]=xyz > LIB "finvar.lib"; // ** loaded /projects/sage/sage-6.10/local/share/singular/finvar.lib (3-1-7-0,Sep_2013) // ** loaded /projects/sage/sage-6.10/local/share/singular/algebra.lib (3-1-7-0,Sep_2013) // ** loaded /projects/sage/sage-6.10/local/share/singular/ring.lib (4.0.0.0,Jun_2013) // ** loaded /projects/sage/sage-6.10/local/share/singular/primdec.lib (4.0.1.1,Nov_2014) // ** loaded /projects/sage/sage-6.10/local/share/singular/absfact.lib (3-1-7-0,Sep_2013) // ** loaded /projects/sage/sage-6.10/local/share/singular/triang.lib (3-1-7-0,Sep_2013) // ** loaded /projects/sage/sage-6.10/local/share/singular/random.lib (3-1-7-0,Sep_2013) // ** loaded /projects/sage/sage-6.10/local/share/singular/poly.lib (3-1-7-0,Sep_2013) // ** loaded /projects/sage/sage-6.10/local/share/singular/inout.lib (3-1-7-0,Sep_2013) // ** loaded /projects/sage/sage-6.10/local/share/singular/general.lib (3-1-7-0,Sep_2013) // ** loaded /projects/sage/sage-6.10/local/share/singular/elim.lib (3-1-7-0,Sep_2013) // ** loaded /projects/sage/sage-6.10/local/share/singular/matrix.lib (3-1-7-0,Sep_2013) // ** loaded /projects/sage/sage-6.10/local/share/singular/nctools.lib (3-1-7-0,Sep_2013) > ring R=0,(x,y,z),dp; > matrix A[3][3]=0,1,0,0,0,1,1,0,0; > matrix B(1..3); > B(1..3)=invariant_ring(A); B(1)[1,1]=x+y+z B(1)[1,2]=xy+xz+yz B(1)[1,3]=xyz -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
