The goal of this paper is to give a conjectural census of complex hyperbolic sporadic triangle groups. We prove that only finitely many of these sporadic groups are lattices. We also give a conjectural list of all lattices among sporadic groups, and for each group in the list we give a conjectural group presentation, as well as a list of cusps and generators for their stabilisers. We describe s...

Abstract The presence of nonzero conjectural variations in pollution abatement and output make emission taxes less effective with respect to reducing emissions. This has implications for the characterization optimal tax, particularly an international context where there are large asymmetries intensities. A higher degree collusion between polluting firms results emissions non-cooperative equilib...

In this paper, we propose a conjectural identity between the Fourier–Jacobi periods on symplectic groups and the central value of certain Rankin–Selberg L-functions. This identity can be viewed as a refinement to the global Gan–Gross–Prasad conjecture for Sp(2n)×Mp(2m). To support this conjectural identity, we show that when n = m and n = m±1, it can be deduced from the Ichino–Ikeda’s conjectur...