The concept of Morgan tree [6] is shown to be useful in generation of all nonisomorphic trees. Namely, to each tree one can assign canonical Morgan tree. Since, the number of Morgan trees [5, 1] is much larger then number of canonical Morgan trees, it is of interest to create an efficient algorithm that creates only a fraction of Morgan trees not eliminating the single canonical Morgan tree. Th...

The revised Morgan, Morgan and Finney (rMMF) water erosion model calculates annual surface runoff soil loss from field-sized areas. original version of the rMMF is neither suited to calculate along irregular hillslopes, nor capable allow infiltration once generated at places where speed slows down, could occur under natural conditions. aim this article describe a new hillslope that allows runof...

T the ripe age of eighty-four Lloyd Morgan has passed away. jje wag for many years the distinguished and greatlyeloved Principal of University College, and when the College deceived its charter in 1909 converting it into Bristol diversity Lloyd Morgan was designated the first Vicehancellor. He relinquished this office almost immediately, nd Sir Igambard Owen was appointed in his stead. His ecis...

The idea of the ray diagram was introduced by David Charlton, and further elaborated by Yoyo Zhou, in the context of an open problem session held as part of an MIT class 6.885 on Geometric Folding Algorithms in Fall 2007. I thank the participants of that open problem session for helpful early discussions about 2 × n map folding. I would also like to thank Eric Liu for his close help in the earl...

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