A pseudo-complement of a quadrilateral D of order n, n, > 3, is a non-trivial (n+l)- regular linear space with n - 3n + 3 points and n + n - 3 lines. We prove that if n > 18 and D has at least one line of size n - 1, or if n > 25 , then the set of lines of D consists of three lines of size n -1, 6(n - 2) lines of size n - 2, and n - 5n + 6 lines of size n - 3. Furthermore, if n > 21 and D...

three iranian native strains and three japanese commercial lines of the silkworm bombyx mori were analyzed using amplified fragment length polymorphism (aflp) markers. a set of ten psti/taqi primer combinations amplified a total of 322 bands out of which 251 (%78) were polymorphic. estimates of nei’s gene diversity for all loci in individual strains and commercial lines indicated a higher degre...

Overhead transmission lines are influenced by different factors which are mostly electrical and mechanical. These factors can cause problems for lines, distortions in network and outage of line. In designing transmission lines mechanical properties are evaluated after selecting a suitable conductor and clearance with regard to electrical properties. In lines designing, an important mechanical p...

This paper tests the efficiency of local provision of land conservation. I examine how housing prices, which capitalize open space amenities and future tax obligations, change after municipalities vote on referendums for conservation spending. Using a dynamic regression discontinuity based on voting outcomes, results suggest that average housing prices increase about 0.68-1.12% for every $1000 ...

Software development time depends on various attributes of the software product. In this paper, attempt has been made to define an empirical relation between software development time with respect to its dependence on lines of code, variables and methods. We have attempted to analyze the various dependencies of development time of a program upon its member functions, instance variables and the ...

A programming approach to the rapid prototyping of architectural design is discussed in this paper. This is done with particular reference to the early steps of design development, where a number of preliminary design alternatives should be generated and evaluated. At this purpose we show that the generation of the 3D shape of each design alternative can be automated starting from the 2D layout...

This paper studies whether the increase in government transfers, induced by an old-age pension program for individuals age 70 and older in Mexico, affects co-residing children's school enrollment, using a regression discontinuity analysis. Results suggest that while household composition and other household-level characteristics do not change significantly at the cutoff age for program eligibil...

S43A-1376.GeochemistryGeophysicsGeosystemsG jasbinsek and dueker: 410-km discontinuity, rockies 10.1029/2007GC001661

Recent high-pressure experiments have led to the conclusion that water release from subducted sediments lying under continents in subduction regions occurs at about 220 km depth. This dehydration reaction is in good agreement with the seismological signature of the discontinuity indicating that sediment dehydration causes the Lehmann discontinuity in