1,278 research outputs found

    Convex functions on Grassmannian manifolds and Lawson–Osserman problem

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    AbstractWe derive estimates of the Hessian of two smooth functions defined on Grassmannian manifold. Based on it, we can derive curvature estimates for minimal submanifolds in Euclidean space via Gauss map as in [Y.L. Xin, Ling Yang, Curvature estimates for minimal submanifolds of higher codimension, arXiv: 0709.3686; 24]. In this way, the result for Bernstein type theorem done by Jost and the first author could be improved

    Effects of Fullerene on Thermal Decomposition Characteristics of Ammonium Perchlorate

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    S.F. Li, X. Han, Y.L. Sun, T.F. Wang and F.Q. Zha

    sj-docx-1-jdr-10.1177_00220345221123256 – Supplemental material for TRAF3IP2–IL-17 Axis Strengthens the Gingival Defense against Pathogens

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    Supplemental material, sj-docx-1-jdr-10.1177_00220345221123256 for TRAF3IP2–IL-17 Axis Strengthens the Gingival Defense against Pathogens by J. Zhang, L. Sun, M.H.H. Withanage, S.M. Ganesan, M.A. Williamson, J.T. Marchesan, Y. Jiao, F.R. Teles, N. Yu, Y. Liu, D. Wu, K.L. Moss, A.K. Mangalam, E. Zeng, Y.L. Lei and S. Zhang in Journal of Dental Research</p

    Ammonoids from the Zhuganpo Member of the Falang Formation at Nimaigu and their relevance for dating the Xingyi Fossil-Lagerstätte (Late Ladinian, Guizhou, China)

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    We herein document the various ammonoid faunas, of which 8 are newly described taxa, recently collected from the Falang Formation at Nimaigu (Wusha) near Xingyi (Guizhou, South China) and also define their biostratigraphy, correlation and age. The sampled interval includes the Zhuganpo Member, which contains the world famous Xingyi Fossil-Lagerstiitte, and the lowermost part of the overlying Wayao Member. Ammonoids are quite abundant, but preservation is usually very poor. New genera Yangites, Haoceras and Sinomeginoceras are described on the basis of four new species. The new subfamily Haoceratinae (family Trachyceratidae) is erected to accommodate Haoceras and Sinomeginoceras. Xenoprotrachyceras, Detoniceras, Ptychites, Trachyceras and Clionitites are also recognized, together with a specimen attributed with doubt to Parasturia. Most of the faunas are endemic and typical representatives of Upper Ladinian ammonoid zones have not been recognized. A new local biostratigraphic scale is proposed, consisting of the Haoceras xingyiense zone, Trachyceras beds and Trachyceras multituberculatum zone, in stratigraphic order. The Trachyceras beds and the Trachyceras multituberculatum zone are attributed to the Lower Carnian, but most of the bio-chronostratigraphic analysis is focused on the Haoceras xingyiense zone, because it directly overlies the vertebrate-bearing interval. Correlation of the new biozone is discussed and its stratigraphic position is referred, at least in part, to the lower Sutherlandi Zone of the North American scale. This correlation pinpoints the age of the Xingyi Fossil-Lagerstiitte as middle Late Ladinian, which until now had been a matter of debate for 30+ years

    sj-docx-1-tam-10.1177_17588359211052417 – Supplemental material for Development of a risk classification system combining TN-categories and circulating EBV DNA for non-metastatic NPC in 10,149 endemic cases

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    Supplemental material, sj-docx-1-tam-10.1177_17588359211052417 for Development of a risk classification system combining TN-categories and circulating EBV DNA for non-metastatic NPC in 10,149 endemic cases by Fo-Ping Chen, Li Lin, Jin-Hui Liang, Sze Huey Tan, Enya H.W. Ong, Ying-Shan Luo, Luo Huang, Adelene Y.L. Sim, Hai-Tao Wang, Tian-Sheng Gao, Bin Deng, Guan-Qun Zhou, Jia Kou, Melvin L.K. Chua and Ying Sun in Therapeutic Advances in Medical Oncology</p

    A new species of the Genus Colobodus Agassiz 1844 (Osteichthyes, Actinopterygii) from the Pelsonian (Anisian, Middle Triassic) of Guizhou (South China)

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    Eight almost complete medium-large sized (about 33 cm in s.l.) fossil fishes, belonging to the family Colobodontidae, are described from the Pelsonian (Anisian, Middle, Triassic) of South China. Their cranial and postcrainal features fit those of the genus Colobodus Agassiz, 1844 from the western Tethys. However, they are older than the previously known Colobodus species and, furthermore, they come far from the western Tethys, where most colobodontids have been found so far. The significance of our new findings, beyond the election of a new species, lies in the fact that they are the first definite record of Colobodus Outside the western Tethyan faunal province, and represent the oldest unequivocal colobodontids worldwide, as well as suggest that they could have originated in the East rather than in the western Tethys, as previously thought

    Correction to: A Siamese transformer network for zero-shot ancient coin classification (Journal of Imaging, (2023), 9, 6, (107)

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    Jochen Büttner was not included as an author in the original publication [1]. The corrected Author Contributions statement appears here. Author Contributions: Conceptualization, J.B. (Siamese structure), Z.G. and O.A. (transformer components); methodology, Z.G., O.A. and Y.L.; software, Z.G. and Y.L.; investigation, Z.G. and D.R.; resources, Z.G. and O.A.; data curation, O.A.; writing—original draft preparation, Z.G., O.A., D.R. and Y.L.; writing—review and editing, Z.G. and O.A.; visualization, Z.G.; supervision, O.A.; project administration, O.A.; after initial publication, J.B. has agreed to be added as a co-author. All authors have read and agreed to the published version of the manuscript. The authors state that the scientific conclusions are unaffected. This correction was approved by the Academic Editor. The original publication has also been updated.</p
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