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Modern studies of societal phenomena rely on the availability of large datasets capturing attributes and activities of synthetic, city-level, populations. For instance, in epidemiology, synthetic population datasets are necessary to study…

Databases · Computer Science 2016-02-26 Hao Wu , Yue Ning , Prithwish Chakraborty , Jilles Vreeken , Nikolaj Tatti , Naren Ramakrishnan

Recent work on the construction of spherical, Axisymmetric and triaxial dynamical models for elliptical galaxies is reviewed briefly, including their role in providing evidence for dark halos and central black holes. The different orbital…

Astrophysics · Physics 2007-05-23 P. T. de Zeeuw , C. M. Carollo

Nonlinear constrained optimization problems are encountered in many scientific fields. To utilize the huge calculation power of current computers, many mathematic models are also rebuilt as optimization problems. Most of them have…

Optimization and Control · Mathematics 2011-10-03 Wei Zhang , Xudong Shi , Liwen Wang

The cornerstone mission Gaia, together with complementary surveys, will revolutionize our understanding of the formation and history of our Galaxy, providing accurate stellar masses, radii, ages, distances, as well as chemical properties…

Solar and Stellar Astrophysics · Physics 2017-04-26 N. Lagarde , A. C. Robin , C. Reylé , G. Nasello

We first give a short historical overview with some key facts of massive star population synthesis with binaries. We then discuss binary population codes and focus on two ingredients which are important for massive star population synthesis…

Solar and Stellar Astrophysics · Physics 2015-08-19 D. Vanbeveren , N. Mennekens

A core challenge in program synthesis is taming the large space of possible programs. Since program synthesis is essentially a combinatorial search, the community has sought to leverage powerful combinatorial constraint solvers. Here,…

I review the basic concepts for the spectrophotometric and chemical evolution of galaxies, contrast various approaches and discuss their respective advantages and shortcomings, both for the interpretation of nearby and high redshift…

Astrophysics · Physics 2007-05-23 U. Fritze-v. Alvensleben

Deep neural networks have become prevalent in human analysis, boosting the performance of applications, such as biometric recognition, action recognition, as well as person re-identification. However, the performance of such networks scales…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Indu Joshi , Marcel Grimmer , Christian Rathgeb , Christoph Busch , Francois Bremond , Antitza Dantcheva

A wide range of problems can be modelled as constraint satisfaction problems (CSPs), that is, a set of constraints that must be satisfied simultaneously. Constraints can either be represented extensionally, by explicitly listing allowed…

Artificial Intelligence · Computer Science 2015-02-10 Evgenij Thorstensen

Determining the properties of old stellar populations (those with age >1 Gyr) has long involved the comparison of their integrated light, either in the form of photometry or spectroscopic indexes, with empirical or synthetic templates. Here…

Astrophysics of Galaxies · Physics 2018-06-06 E R Stanway , J J Eldridge

Population synthesis is essential for individual-level simulation in transport planning and socio-economic analysis, yet remains challenging due to the need to capture both statistical dependencies and high-level behavioral semantics.…

Artificial Intelligence · Computer Science 2026-04-24 Zhenlin Qin , Yancheng Ling , Leizhen Wang , Francisco Câmara Pereira , Zhenliang Ma

The stellar populations of galaxies contain a wealth of detailed information. From the youngest, most massive stars, to almost invisible remnants, the history of star formation is encoded in the stars that make up a galaxy. Extracting some,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Jarle Brinchmann

We present a probabilistic formulation of the classical problem of synthesizing spectral properties of a galaxy using a base of star clusters. The problem consists of estimating the population vector x, composed by the contributions of…

Astrophysics · Physics 2009-11-06 Roberto Cid Fernandes , Laerte Sodre , Henrique Schmitt , Joao Leao , .

Using the StarTrack binary population synthesis code we investigate the properties of population of compact object binaries. Taking into account the selection effects we calculate the expected properties of the observed binaries.We analyze…

Astrophysics · Physics 2009-11-10 T. Bulik , K. Belczynski

The collection of planetary system properties derived from large surveys such as Kepler provides critical constraints on planet formation and evolution. These constraints can only be applied to planet formation models, however, if the…

Earth and Planetary Astrophysics · Physics 2020-01-08 Gijs D. Mulders , Christoph Mordasini , Ilaria Pascucci , Fred J. Ciesla , Alexandre Emsenhuber , Daniel Apai

In this paper, we provide a method to generate synthetic population at various administrative levels for a country like India. This synthetic population is created using machine learning and statistical methods applied to survey data such…

Computers and Society · Computer Science 2024-05-17 Bhavesh Neekhra , Kshitij Kapoor , Debayan Gupta

Computer simulations of complex population genetic models are an essential tool for making sense of the large-scale datasets of multiple genome sequences from a single species that are becoming increasingly available. A widely used approach…

Populations and Evolution · Quantitative Biology 2026-04-23 Parul Johri , Fanny Pouyet , Brian Charlesworth

Program synthesis is a class of regression problems where one seeks a solution, in the form of a source-code program, mapping the inputs to their corresponding outputs exactly. Due to its precise and combinatorial nature, program synthesis…

Artificial Intelligence · Computer Science 2018-06-08 Yewen Pu , Zachery Miranda , Armando Solar-Lezama , Leslie Pack Kaelbling

A review of the basic principles of the population synthesis for binary stars is presented. We discuss the break-up of low and intermediate mass close binaries over different evolutionary scenarios and, as an example, briefly consider…

Astrophysics · Physics 2009-11-10 L. R. Yungelson

In this contribution we investigate how to describe the results and usage of evolutionary synthesis models. In particular, we look for an explicit and quantitative description of the parameter space of synthesis models and the evaluation of…

Astrophysics · Physics 2007-11-12 M. Cervino , V. luridiana