Mundy's Arthur multiplicity conjecture for certain G2 representations
Mundy's conjecture. The representation Π\PiΠ occurs in Ldisc2(G2(Q)\G2(A))L^2_{\rm disc}(G_2(\mathbb Q)\backslash G_2(\mathbb A))Ldisc2(G2(Q)\G2(A)) with multiplicity zero or one, and it occurs with multiplicity one…