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We report on our search for genetically related asteroids amongst the near-Earth object (NEO) population - families of NEOs akin to the well known main belt asteroid families. We used the technique proposed by Fu et al. (2005) supplemented…

地球与行星天体物理 · 物理学 2012-07-05 Eva Schunova , Mikael Granvik , Robert Jedicke , Giovanni Gronchi , Richard Wainscoat , Shinsuke Abe

Phylogenetic analysis traditionally relies on labor-intensive manual extraction of morphological traits, limiting its scalability for large datasets. Recent advances in deep learning offer the potential to automate this process, but the…

计算机视觉与模式识别 · 计算机科学 2025-02-10 Roberta Hunt , Kim Steenstrup Pedersen

Two primitive near Earth asteroids, (101955) Bennu and (162173) Ryugu, will be visited by a spacecraft with the aim of returning samples back to Earth. Since these objects are believed to originate in the inner main belt primitive…

Generating novel, biologically plausible three-dimensional morphological structures is a fundamental challenge in computational evolutionary biology, hampered by extreme data scarcity and the requirement that generated shapes respect…

定量方法 · 定量生物学 2026-04-29 Kaikwan Lau , Gary P. T. Choi

The character diagnosis of Tenontosaurus tilletti has been revised and redefined into a more robust and quantifiable state. Significant emphasis is placed on constructing phylogenetic definition in such a method, as it prevents occlusion of…

种群与进化 · 定量生物学 2013-04-10 Jonathan Tennant

As a variant of standard convolution, a dilated convolution can control effective receptive fields and handle large scale variance of objects without introducing additional computational costs. To fully explore the potential of dilated…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Jie Liu , Chuming Li , Feng Liang , Chen Lin , Ming Sun , Junjie Yan , Wanli Ouyang , Dong Xu

In the past ten years this author published some 15 highly mathematical papers about his new Evo-SETI (Evolution and SETI) Theory. He proved that key features of Evo-SETI are: 1) The Statistical Drake Equation is the extension of the…

科普物理 · 物理学 2021-03-22 Claudio Maccone

Our view of the universe of genomic regions harboring various types of candidate human-specific regulatory sequences (HSRS) has been markedly expanded in recent years. To infer the evolutionary origins of loci harboring HSRS, analyses of…

基因组学 · 定量生物学 2025-12-30 Gennadi Glinsky

Extremely-low mass white dwarf stars (ELMs) are M < 0.3 MSun helium-core white dwarfs born either as a result of a common-envelope phase or after a stable Roche-lobe overflow episode in a multiple system. The Universe is not old enough for…

太阳与恒星天体物理 · 物理学 2019-07-17 Ingrid Pelisoli , Joris Vos

We present the scientific goals and the very first results of the Bulge Cluster Origin (BulCO) survey. This survey has been specifically designed to perform an unprecedented chemical screening of stellar systems orbiting the Milky Way…

We investigate the evolution of the Halpha equivalent width, EW(Halpha), with redshift and its dependence on stellar mass, taking advantage of the first data from the 3D-HST survey, a large spectroscopic Treasury program with the Hubble…

Baldwinian and Lamarckian evolution have existed for a long time in evolutionary algorithms (EAs) without ever dominating the academic literature or practical applications. In this work, we use modern empirical and theoretical methods to…

神经与进化计算 · 计算机科学 2026-05-28 Inès Benito , Johannes F. Lutzeyer , Benjamin Doerr

The total-evidence approach to divergence-time dating uses molecular and morphological data from extant and fossil species to infer phylogenetic relationships, species divergence times, and macroevolutionary parameters in a single coherent…

种群与进化 · 定量生物学 2017-01-25 Alexandra Gavryushkina , Tracy A. Heath , Daniel T. Ksepka , Tanja Stadler , David Welch , Alexei J. Drummond

The usefulness of a `total-evidence' approach to human population genetics was assessed through a clustering analysis of combined genome-wide SNP datasets. The combination contained only 3146 SNPs. Detailed examination of the results…

种群与进化 · 定量生物学 2012-12-07 Blaise Li

The famous 2R hypothesis was first proposed by Susumu Ohno in 1970. It states that the two whole genome duplications had shaped the genome of early vertebrates. The most convincing evidence for 2R hypothesis comes from the 4:1 ratio…

种群与进化 · 定量生物学 2018-05-23 Haiming Tang , Angela Wilkins

The standard differential scaling of proportions in limb long bones (length against circumference) is applied to a phylogenetically wide sample of the Proboscidea, Elephantidae and the Asian (Elephas maximus) and African elephant (Loxodonta…

生物物理 · 物理学 2009-09-09 Valery B. Kokshenev , Per Christiansen

We present the discovery of 11 new double degenerate systems containing extremely low-mass white dwarfs (ELM WDs). Our radial velocity observations confirm that all of the targets have orbital periods $\leq$ 1 day. We perform spectroscopic…

太阳与恒星天体物理 · 物理学 2015-10-28 A. Gianninas , Mukremin Kilic , Warren R. Brown , Paul Canton , Scott J. Kenyon

Craniofacial Superimposition is a forensic technique for identifying skeletal remains by comparing a post-mortem skull with ante-mortem facial photographs. A critical step in this process is Skull-Face Overlay (SFO). This stage involves…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Práxedes Martínez-Moreno , Andrea Valsecchi , Pablo Mesejo , Pilar Navarro-Ramírez , Valentino Lugli , Sergio Damas

We present the stellar population analysis of a sample of 12 dwarf elliptical galaxies, observed with the SAURON integral field unit, using the full-spectrum fitting method. We show that star formation histories (SFHs) resolved into two…