Suresh Govindarajan

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We show the existence of a family of generalized Kac-Moody(GKM) superalgebras, GN , whose Weyl-Kac-Borcherds denominator formula gives rise to a genus-two modular form at level N , ∆k/2(Z), for (N, k) = (1, 10), (2, 6), (3, 4), (5, 2). The square of the automorphic form is related to the generating function of the degeneracy of CHL dyons in asymmetric ZN(More)
Water productivity (WP) expresses the value or benefit derived from the use of water. A profound water productivity analysis was carried out at experimental field at Field laboratory, Centre for Water Resources, Anna University, India, for rice crop under different water regimes such as flooded (FL), alternative wet and dry (AWD) and saturated soil culture(More)
Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08855-0849 USA Isaac Newton Institute for Mathematical Sciences, Cambridge, CB3 0EH, U.K. I.H.E.S., Le Bois-Marie, Bures-sur-Yvette, 91440 France Department of Physics, Indian Institute of Technology, Madras, Chennai 600036 India The Institute of Mathematical Sciences, C.I.T. Campus,(More)
We present a method based on mutations of helices which leads to the construction (in the large volume limit) of exceptional coherent sheaves associated with the ( ∑ a la = 0) orbits in Gepner models. This is explicitly verified for a few examples including some cases where the ambient weighted projective space has singularities not inherited by the(More)