Results 91 to 100 of about 8,110 (222)

Studies Toward the Synthesis of a Novel Diastereomerically Pure Cyclopropyl N-Heterocyclic Carbene Ligand for Asymmetric Catalysis [PDF]

open access: yes, 2014
This M.S. Thesis research objective is designed towards the racemic synthesis of a novel diastereoselectively pure, sterically bulky, cyclopropyl-containing, N-heterocyclic carbene (NHC) ligand.
Milliken, Brandon T
core   +1 more source

Biorenewable materials from isosorbide [PDF]

open access: yes, 2015
As petroleum feedstocks start to dwindle, it is becoming more important to find acceptable replacements for materials made from these feedstocks. Polyurethanes have classically been synthesized from petroleum-based feedstocks, and depending on its ...
Zenner, Michael Dennis
core   +3 more sources

Rank Independence and Rearrangements of Random Variables [PDF]

open access: yesarXiv, 2005
A rearrangement of $n$ independent uniform $[0,1]$ random variables is a sequence of $n$ random variables $Y_1,...,Y_n$ whose vector of order statistics has the same distribution as that for the $n$ uniforms. We consider rearrangements satisfying the strong rank independence condition, that the rank of $Y_k$ among $Y_1,...,Y_k$ is independent of the ...
arxiv  

Synthesis of a Glutathione Analogue Using 2-α-Methyl-β-Cysteine [PDF]

open access: yes, 2012
Inhibitors of glutathione reductase (GR) have been synthesized and studied in order to reverse an increasing trend in resistance to common malaria treatments.
Freeman, Nathan
core   +1 more source

Rearrangements of gaussian fields [PDF]

open access: yesarXiv, 2009
The monotone rearrangement of a function is the non-decreasing function with the same distribution. The convex rearrangement of a smooth function is obtained by integrating the monotone rearrangement of its derivative. This operator can be applied to regularizations of a stochastic process to measure quantities of interest in econometrics.
arxiv  

A rearrangement step with potential uses in priority queues [PDF]

open access: yesarXiv, 2012
Link-based data structures, such as linked lists and binary search trees, have many well-known rearrangement steps allowing for efficient implementations of insertion, deletion, and other operations. We describe a rearrangement primitive designed for link-based, heap-ordered priority queues in the comparison model, such as those similar to Fibonacci ...
arxiv  

Strict rearrangement inequalities: nonexpansivity and periodic Gagliardo seminorms [PDF]

open access: yesarXiv
This paper deals with the behavior of the periodic Gagliardo seminorm under two types of rearrangements, namely under a periodic, and respectively a cylindrical, symmetric decreasing rearrangement. Our two main results are P\'olya-Szeg\H{o} type inequalities for these rearrangements. We also deal with the cases of equality.
arxiv  

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