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We extend the well-known notions of a singleton, complete
-set, presheaf and sheaf over a complete Heyting algebra or a right-sided idempotent quantale to arbitrary involutive quantaloids. We show that sheaves on
and complete
-sets come to the same thing. This paper can be considered as a symmetric version of an earlier work of the author. 相似文献
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R. P. Gylys 《Lithuanian Mathematical Journal》1995,35(3):210-233
Institute of Mathematics and Informatics, Akademijos 4, 2600 Vilnius, Lithuania. Published in Lietuvos Matematikos Rinkinys,
Vol. 35, No. 3, pp. 266–296, July–September, 1995. 相似文献
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The results of an experimental investigation of staggered tube bundle heat transfer to upward and downward moving vertical foam flow are presented in this article. It was determined that a dependency exists between tube bundle heat transfer intensity on foam volumetric void fraction, foam flow velocity and direction, and liquid drainage from foam. In addition to this, the influence of tube position of the bundle on heat transfer was investigated. Experimental results were summarized by criterion equations, which can be applied in the design of foam type heat exchangers. 相似文献
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R. P. Gylys 《Lithuanian Mathematical Journal》1999,39(4):376-388
We present a discussion of involutive and relational quantaloids in a fashion similar to the one for quantales developed by
C. J. Mulvey and J. W. Pelletier, C. Brown and D. Gurr, and S. Valentini. We introduce two classes of involutive quantaloids
and prove that every quantaloid is isomorphic to a relational quantaloid.
Institute of Mathematics and Informatics, Akademijos 4, 2600 Vilnius, Lithuania. Published in Lietuvos Matematikos Rinkinys,
Vol. 39, No. 4, pp. 475–492, October–December, 1999. 相似文献
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Two different measurement methods are described that indicate that the Raman cross section of O(2)(a(1)D(g)), sigma(a)= (0.45+/-0.02) sigma(X), where sigma(X) is the Raman cross section of O(2)(X(3)?(g)(-)). Spontaneous Raman scattering is a potentially useful technique for measuring the singlet O(2)yield in high-power oxygen iodine lasers. For the full potential of this method to be realized, one must determine sigma(O)(2(a)) to measure the yield directly. 相似文献
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R. P. Gylys 《Lithuanian Mathematical Journal》2000,40(2):105-134
We generalize the well-known notions of a singleton, completeQ-set, presheaf, and sheaf over a complete Heyting algebra or a right-sided idempotent quantale to arbitrary quantaloids. We
show that every completeQ-set can be viewed as a sheaf and vice versa.
Published in Lietuvos Matematikos Rinkinys, Vol. 40, No. 2, pp. 133–171, April–June, 2000. 相似文献
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