6,519 research outputs found

    Professing the Faith: Christian theology in a North American context

    Get PDF
    Reviewed Book: Hall, Douglas John. Professing the Faith: Christian theology in a North American context. Minneapolis: Augsburg Fortress; Fortress Press, 1993

    Loop Equations and the Topological Phase of Multi-Cut Matrix Models

    Full text link
    We study the double scaling limit of mKdV type, realized in the two-cut Hermitian matrix model. Building on the work of Periwal and Shevitz and of Nappi, we find an exact solution including all odd scaling operators, in terms of a hierarchy of flows of 2Ă—22\times 2 matrices. We derive from it loop equations which can be expressed as Virasoro constraints on the partition function. We discover a ``pure topological" phase of the theory in which all correlation functions are determined by recursion relations. We also examine macroscopic loop amplitudes, which suggest a relation to 2D gravity coupled to dense polymers.Comment: 24p

    On the Geometry of the String Landscape and the Swampland

    Get PDF
    We make a number of conjectures about the geometry of continuous moduli parameterizing the string landscape. In particular we conjecture that such moduli are always given by expectation value of scalar fields and that moduli spaces with finite non-zero diameter belong to the swampland. We also conjecture that points at infinity in a moduli space correspond to points where an infinite tower of massless states appear, and that near these regions the moduli space is negatively curved. We also propose that there is no non-trivial 1-cycle of minimum length in the moduli space. This leads in particular to the prediction of the existence of a radially massive partner to the axion. These conjectures put strong constraints on inflaton potentials that can appear in a consistent quantum theory of gravity. Our conjectures are supported by a number of highly non-trivial examples from string theory. Moreover it is shown that these conditions can be violated if gravity is decoupled.Comment: 18 page

    2D Quantum Gravity and The Miura Map

    Full text link
    We study the sL(3,C) mKDV string theories. We obtain the flows and the string equations. Using the generalized Miura map, we show that we have an unification of these models with the [P,Q]=Q sL(3,C) KDV ones in the framework of open-closed string theories in minimal models backgrounds.Comment: 12 pages, phyzz

    Henri Temianka Correspondence; (domoore)

    Get PDF
    https://digitalcommons.chapman.edu/temianka_correspondence/2227/thumbnail.jp
    • …
    corecore