943 research outputs found

    Reflections on God and Evil in the Krishna Bhakti Theology of Caitanya

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    The story that forms the short prologue at the start of Valmiki’s Rāmāyana expresses something of how the bhakta deals with tragic loss and senseless violence. In the briefest of words, the story goes something like this: As Valmiki is performing his morning ablutions in the Tamasa River, he witnesses two cranes sweetly cooing at one another lovingly on a branch in a nearby tree. Suddenly, a hunter comes along and shoots an arrow through the chest of the male crane, who immediately drops to the ground. The female, herself alighting on the ground, sees her beloved mate writhing in agony with his mortal wound, and thus she begins to weep, drowning herself in the tears of her sorrow. Valmiki, upon seeing this senseless killing, in his anger curses the hunter from that day on to wander all the days of his life homelessly. Who can mortally wound such an innocent loving creature? What kind of person does this? What kind of senseless act is this? Where is God in all this? Questions such as these are easily elicited from those who hear this story. We shall return to this story following a brief sketch of the relationship between God and evil in a bhakti theology

    Computer Analysis of Dielectric Waveguides: A Finite-Difference Method

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    A method for computing the modes of dielectric guiding structures based on finite differences is described. The numerical computation program is efficient and can be applied to a wide range of problems. We report here solutions for circular and rectangular dielectric waveguides and compare our solutions with those obtained by other methods. Limitations in the commonly used approximate formulas developed by Marcatili are discussed

    Generalizing the Borel property

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    We introduce the notion of Q-Borel ideals: ideals which are closed under the Borel moves arising from a poset Q. We study decompositions and homological properties of these ideals, and offer evidence that they interpolate between Borel ideals and arbitrary monomial ideals.Comment: 19 pages, 1 figur

    Measurement of the Dielectric Constant and Loss Tangent of Thallium Mixed Halide Crystals KRS-5 and KRS-6 at 95 GHz

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    The dielectric constants and loss tangents of KRS-5 and KRS-6 thallium halide mixed crystals have been measured at 95 GHz using both the shorted waveguide (SWG) reflection method and the Fabry-Perot (F-P) transmission method on samples filling standard WR-10 waveguide. The results--KRS-5: epsilon'/sub r/ = 31; tan delta = 1.8 x 10/sup -2/; KRS-6: epsilon'/sub r/ = 29, tan delta = 2 x 10/sup-2/-- agree reasonably well with a simple theoretical fit to the far-infrared Iattice absorption of TIBr and TICI centered at about 1400 GHz. The dielectric samples were hot-pressed into copper wafers with dimensions matching WR-10 waveguide, and then machined and polished to obtain flat, parallel air-dielectric interfaces
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