نتایج جستجو برای ABC index

تعداد نتایج: 279478  

2012
Lu Gan, Bolian Liu, Zhifu You,

The atom–bond connectivity index of a graph G is defined as

2014
Meenakshi Kishnani, Shubham Pareek, Rajeev Gupta,

Design optimization could be very challenging partially due to complexity and non-linearity of the system in consideration. Conventional methods are limited merely to certain operational zones and have unsatisfactory design robustness property. Metaheuristic algorithms are becoming increasingly popular among control engineers. Over the last two decades ,several meta-heuristic algorithms have em...

1999
Jordan S. Ellenberg,

The ABC conjecture of Masser and Oesterlé states that if (a, b, c) are coprime integers with a+ b+ c = 0, then sup(|a|, |b|, |c|) < cǫ(rad(abc)) 1+ǫ for any ǫ > 0. In [2], Oesterlé observes that if the ABC conjecture holds for all (a, b, c) with 16|abc, then the full ABC conjecture holds. We extend that result to show that, for every integer N , the “congruence ABC conjecture” that ABC holds fo...

2015
Edward Meeds, Robert Leenders, Max Welling,

Approximate Bayesian computation (ABC) is a powerful and elegant framework for performing inference in simulation-based models. However, due to the difficulty in scaling likelihood estimates, ABC remains useful for relatively low-dimensional problems. We introduce Hamiltonian ABC (HABC), a set of likelihood-free algorithms that apply recent advances in scaling Bayesian learning using Hamiltonia...

2004
Pavel Avgustinov, Aske Simon Christensen, Laurie Hendren, Sascha Kuzins, Jennifer Lhoták, Onďrej Lhoták, Oege de Moor, Damien Sereni, Ganesh Sittampalam, Julian Tibble,

Research in the design of aspect-oriented programming languages requires a workbench that facilitates easy experimentation with new language features and implementation techniques. In particular, new features for AspectJ have been proposed that require extensions in many dimensions: syntax, type checking and code generation, as well as data flow and control flow analyses. The AspectBench Compil...

2004
Pavel Avgustinov, Aske Simon Christensen, Laurie Hendren, Sascha Kuzins, Jennifer Lhoták, Onďrej Lhoták, Oege de Moor, Damien Sereni, Ganesh Sittampalam, Julian Tibble,

Research in the design of aspect-oriented programming languages requires a workbench that facilitates easy experimentation with new language features and implementation techniques. In particular, new features for AspectJ have been proposed that require extensions in many dimensions: syntax, type checking and code generation, as well as data flow and control flow analyses. The AspectBench Compil...

2013
Mohammad Reza Farahani,

Among topological descriptors, connectivity indices are very important and they have a prominent role in chemistry. One of them is atom-bond connectivity (ABC) index of a connected graph G=(V,E) and defined as where d denotes the degree of vertex v of G, that introduced by Furtula v and et.al. Also, in 1997, Sharma, Goswami and Madan introduced the eccentric connectivity index of the molecular ...

2004
Pavel Avgustinov, Aske Simon Christensen, Laurie Hendren, Sascha Kuzins, Jennifer Lhoták, Onďrej Lhoták, Oege de Moor, Damien Sereni, Ganesh Sittampalam, Julian Tibble,

Aspect-oriented programming and the development of aspect-oriented languages are rapidly gaining momentum, and the advent of this new kind of programming language provides interesting challenges for compiler developers, both in the frontend semantic analysis and in the backend code generation. This paper is about the design and implementation of the abc compiler for the aspect-oriented language...

2013
Wenshui Lin, Tianyi Gao, Qi’an Chen, Xin Lin,

The atom-bond connectivity (ABC) index of a graph ( , ) G V E is defined as ( ) [ ( ) ( ) 2] / [ ( ) ( )] i j i j i j v v E ABC G d v d v d v d v , where ( ) i d v denotes the degree of the vertex i v of G . This recently introduced molecular structure descriptor found interesting applications in the study of the heats of formation of alkanes. Let ( ) C and ( ) T denote the sets of connected gr...

2013
Wenshui Lin, Xin Lin, Tianyi Gao, Xinyou Wu,

The atom-bond connectivity (ABC) index of a graph ( , ) G V E is defined as ( ) [ ( ) ( ) 2] / [ ( ) ( )] uv E ABC G d u d v d u d v , where ( ) d u denotes the degree of vertex u of G . This recently introduced molecular structure descriptor found interesting applications in the study of the thermodynamic stability of acyclic saturated hydrocarbons, and the strain energy of their cyclic congen...

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