cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.18150/syzn5j
title: Source data for: Integrability and chaos of relativistic Hamiltonian systems in 2D Riemannian manifolds

description: This paper is a continuation of our investigations of the dynamics and integrability of a relativistic particle moving under the influence of potential forces. Here, we examine particle motion in a general two-dimensional Riemannian manifold subjected to an external potential. In the limit of small momentum this system transforms into the corresponding non-relativistic system in a curved space extensively investigated in recent years. Our integrability results are formulated for relativistic systems with the metric and potential which are homogeneous functions of degrees n and k, respectively. First, we show that the integrability of a non-relativistic Hamiltonian is a necessary condition for the integrability of its relativistic version. Next, we derive the necessary integrability conditions from the analysis of the differential Galois groups of variational equations along two different particular solutions. These conditions, together with those for non-relativistic counterparts, give the final integrability obstructions. Obtained obstructions are used to explain integrability results for relativistic versions of well-known classical systems: the Elmandouh system with variable Gaussian curvature, the Hénon–Heiles-type systems, the position-dependent mass systems and the swinging Atwood machine. We compare the dynamics of the classical and corresponding relativistic versions systems in curved space using Poincaré sections and demonstrate that relativistic corrections frequently induce chaos. Moreover, we prove the non-integrability of these systems using the obtained necessary integrability conditions. Unexpectedly, we have also identified a new family of relativistic integrable Hamiltonian systems with position-dependent mass, which extends both classical integrable potentials and conditionally integrable systems defined at specific energy levels. Our results provide a deeper understanding of integrability and chaos in relativistic mechanics, which is currently of great importance for mathematical physics and astrophysics.
DOI: 10.25549/prim-c46-6392
title: Great Wall, China, 1974

description: On and around the Great Wall of China. 17 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6395
title: Great Wall, China, 1974

description: On and around the Great Wall of China. 17 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6243
title: Shanghai technology exhibit, China, 1974

description: Exhibit of technology including automobiles, bulldozer, calculators, ceramics, couplers, farming and construction equipment, looms, machining bits, milling machine, model ships, rods, ship building, textiles, tractors, trucks, turbine. 55 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the gray-haired man with the glasses case in his breast pocket.
DOI: 10.25549/prim-c46-6254
title: Shanghai technology exhibit, China, 1974

description: Exhibit of technology including automobiles, bulldozer, calculators, ceramics, couplers, farming and construction equipment, looms, machining bits, milling machine, model ships, rods, ship building, textiles, tractors, trucks, turbine. 55 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the gray-haired man with the glasses case in his breast pocket.
DOI: 10.25549/prim-c46-6255
title: Shanghai technology exhibit, China, 1974

description: Exhibit of technology including automobiles, bulldozer, calculators, ceramics, couplers, farming and construction equipment, looms, machining bits, milling machine, model ships, rods, ship building, textiles, tractors, trucks, turbine. 55 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the gray-haired man with the glasses case in his breast pocket.
DOI: 10.25549/prim-c46-6120
title: Miyan Dam lunch, China, 1974

description: Miyan Dam lunch. 3 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6358
title: Maps, China, 1974

description: Maps of China. 5 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6459
title: Hotel, Beijing, China, 1974

description: Exterior views of and from Peking hotel. 7 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6403
title: Basket weaving, China, 1974

description: Basket weaving. 4 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6404
title: Basket weaving, China, 1974

description: Basket weaving. 4 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6107
title: CSU Chinese engineers, China, 1974

description: Central South University Chinese engineers in an industrial facility, Changsha, Hunan province. 8 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6111
title: CSU Chinese engineers, China, 1974

description: Central South University Chinese engineers in an industrial facility, Changsha, Hunan province. 8 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6186
title: Ming Tombs, China, 1974

description: Sculpture and grounds, Ming Dynasty Tombs, 212 Provincial Road, Beijing. 5 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6187
title: Ming Tombs, China, 1974

description: Sculpture and grounds, Ming Dynasty Tombs, 212 Provincial Road, Beijing. 5 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6188
title: Ming Tombs, China, 1974

description: Sculpture and grounds, Ming Dynasty Tombs, 212 Provincial Road, Beijing. 5 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6487
title: West Lake, China, 1974

description: Buildings, pagodas, boats, plants, and fish on and around and in West Lake. 15 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6140
title: Summer Palace, Beijing, China, 1974

description: Interior and exterior views around the Summer Palace, Bejing. 16 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6368
title: Green Mountain Orchard, China, 1974

description: Fruit and fields at Green Mountain orchard. 13 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6369
title: Green Mountain Orchard, China, 1974

description: Fruit and fields at Green Mountain orchard. 13 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6126
title: Group, Tsinghua University, Beijing, China, 1974

description: Group photo, Tsinghua University. 3 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the tall gray-haired man with sideburns in back.
DOI: 10.25549/prim-c46-6128
title: Group, Tsinghua University, Beijing, China, 1974

description: Group photo, Tsinghua University. 3 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the tall gray-haired man with sideburns in back.
DOI: 10.25549/prim-c46-6356
title: Maps, China, 1974

description: Maps of China. 5 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6108
title: CSU Chinese engineers, China, 1974

description: Central South University Chinese engineers in an industrial facility, Changsha, Hunan province. 8 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6418
title: Red Flag Canal, China, 1974

description: Landscape, agriculture and activity around the Red Flag Canal. 41 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.5281/zenodo.18768959
title: IMPLEMENTATION OF THE INDUSTRY 4.0 CONCEPT AND ARTIFICIAL INTELLIGENCE IN UZBEKISTAN'S INDUSTRY

description: Thе rapid dеvеlopmеnt of digital tеchnologiеs has accеlеratеd thе global transition toward Industry 4.0, charactеrizеd by thе intеgration of cybеr-physical systеms, thе Intеrnеt of Things (IoT), big data analytics, cloud computing, and artificial intеlligеncе (AI) into industrial procеssеs. This papеr еxaminеs thе currеnt statе and prospеcts of implеmеnting thе Industry 4.0 concеpt and AI tеchnologiеs in Uzbеkistan. It analyzеs national stratеgiеs, rеgulatory framеworks, and ongoing digital transformation initiativеs aimеd at modеrnizing kеy sеctors of thе еconomy, including manufacturing, еnеrgy, agriculturе, and transportation. Thе study idеntifiеs thе main challеngеs hindеring еffеctivе implеmеntation, such as insufficiеnt digital infrastructurе, lack of qualifiеd spеcialists, limitеd invеstmеnt, and tеchnological gaps. At thе samе timе, it highlights еmеrging opportunitiеs drivеn by govеrnmеnt rеforms, forеign invеstmеnts, and thе еxpansion of innovation еcosystеms. Thе papеr concludеs that thе succеssful adoption of Industry 4.0 and artificial intеlligеncе in Uzbеkistan rеquirеs coordinatеd policy mеasurеs, human capital dеvеlopmеnt, rеsеarch and innovation support, and intеrnational coopеration to еnsurе sustainablе еconomic growth and global compеtitivеnеss.
DOI: 10.5281/zenodo.18768960
title: IMPLEMENTATION OF THE INDUSTRY 4.0 CONCEPT AND ARTIFICIAL INTELLIGENCE IN UZBEKISTAN'S INDUSTRY

description: Thе rapid dеvеlopmеnt of digital tеchnologiеs has accеlеratеd thе global transition toward Industry 4.0, charactеrizеd by thе intеgration of cybеr-physical systеms, thе Intеrnеt of Things (IoT), big data analytics, cloud computing, and artificial intеlligеncе (AI) into industrial procеssеs. This papеr еxaminеs thе currеnt statе and prospеcts of implеmеnting thе Industry 4.0 concеpt and AI tеchnologiеs in Uzbеkistan. It analyzеs national stratеgiеs, rеgulatory framеworks, and ongoing digital transformation initiativеs aimеd at modеrnizing kеy sеctors of thе еconomy, including manufacturing, еnеrgy, agriculturе, and transportation. Thе study idеntifiеs thе main challеngеs hindеring еffеctivе implеmеntation, such as insufficiеnt digital infrastructurе, lack of qualifiеd spеcialists, limitеd invеstmеnt, and tеchnological gaps. At thе samе timе, it highlights еmеrging opportunitiеs drivеn by govеrnmеnt rеforms, forеign invеstmеnts, and thе еxpansion of innovation еcosystеms. Thе papеr concludеs that thе succеssful adoption of Industry 4.0 and artificial intеlligеncе in Uzbеkistan rеquirеs coordinatеd policy mеasurеs, human capital dеvеlopmеnt, rеsеarch and innovation support, and intеrnational coopеration to еnsurе sustainablе еconomic growth and global compеtitivеnеss.
DOI: 10.25549/prim-c46-6425
title: Red Flag Canal, China, 1974

description: Landscape, agriculture and activity around the Red Flag Canal. 41 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6323
title: Factory apartments, China, 1974

description: Mostly interior views of factory apartments. 12 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.5281/zenodo.18768703
title: Questionnaire of High School Interior Design with Smart Environment Approach
DOI: 10.5281/zenodo.18768704
title: Questionnaire of High School Interior Design with Smart Environment Approach
DOI: 10.25549/prim-c46-6325
title: Factory apartments, China, 1974

description: Mostly interior views of factory apartments. 12 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6449
title: Temple of Heaven, China, 1974

description: Exterior views of the Temple of Heaven, Beijing. 3 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6336
title: Shanghai machine works, China, 1974

description: Interior views of Shanghai machine works. 16 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6343
title: Shanghai machine works, China, 1974

description: Interior views of Shanghai machine works. 16 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6213
title: Shanghai technology exhibit, China, 1974

description: Exhibit of technology including automobiles, bulldozer, calculators, ceramics, couplers, farming and construction equipment, looms, machining bits, milling machine, model ships, rods, ship building, textiles, tractors, trucks, turbine. 55 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the gray-haired man with the glasses case in his breast pocket.
DOI: 10.25549/prim-c46-6217
title: Shanghai technology exhibit, China, 1974

description: Exhibit of technology including automobiles, bulldozer, calculators, ceramics, couplers, farming and construction equipment, looms, machining bits, milling machine, model ships, rods, ship building, textiles, tractors, trucks, turbine. 55 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the gray-haired man with the glasses case in his breast pocket.
DOI: 10.15468/dl.keeu9x
title: Occurrence Download

description: A dataset containing 222 species occurrences available in GBIF matching the query:
{
 "and" : [
 "GadmGid is CHN.29_1",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Tarsiger rufilatus"
 ]
}

 The dataset includes 222 records from 2 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0009450-260221153910048/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.25549/prim-c46-6424
title: Red Flag Canal, China, 1974

description: Landscape, agriculture and activity around the Red Flag Canal. 41 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6426
title: Red Flag Canal, China, 1974

description: Landscape, agriculture and activity around the Red Flag Canal. 41 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6428
title: Red Flag Canal, China, 1974

description: Landscape, agriculture and activity around the Red Flag Canal. 41 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6321
title: Factory apartments, China, 1974

description: Mostly interior views of factory apartments. 12 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6324
title: Factory apartments, China, 1974

description: Mostly interior views of factory apartments. 12 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-5047
title: Visit to China, May-June 1979, for Lectures at the East China College of Hydraulic Engineering

description: This travel diary records a return visit to China for hydraulic engineering professor James Daily in which he and his wife Sarah pass through Hong Kong, Guangzhou and Shanghai before arriving at Nanjing, where he lectured at the East China College of Hydraulic Engineering.
DOI: 10.25549/prim-c46-5052
title: Visit to China, May-June 1979, for Lectures at the East China College of Hydraulic Engineering

description: This travel diary records a return visit to China for hydraulic engineering professor James Daily in which he and his wife Sarah pass through Hong Kong, Guangzhou and Shanghai before arriving at Nanjing, where he lectured at the East China College of Hydraulic Engineering.
DOI: 10.25549/prim-c46-5069
title: Visit to China, May-June 1979, for Lectures at the East China College of Hydraulic Engineering

description: This travel diary records a return visit to China for hydraulic engineering professor James Daily in which he and his wife Sarah pass through Hong Kong, Guangzhou and Shanghai before arriving at Nanjing, where he lectured at the East China College of Hydraulic Engineering.
DOI: 10.18710/pjye0f/3quivl
title: Metadata_Garcia_Gradinger.txt
DOI: 10.18710/pjye0f/puekjk
title: Maximum_quantum_yield_macroalgae.csv
DOI: 10.25549/prim-c46-5075
title: Visit to China, May-June 1979, for Lectures at the East China College of Hydraulic Engineering

description: This travel diary records a return visit to China for hydraulic engineering professor James Daily in which he and his wife Sarah pass through Hong Kong, Guangzhou and Shanghai before arriving at Nanjing, where he lectured at the East China College of Hydraulic Engineering.
DOI: 10.18710/pjye0f/9eby0w
title: spec_etr_max.csv
DOI: 10.18710/pjye0f/vvg14w
title: alpha_macroalgae.csv
DOI: 10.18710/pjye0f
title: Macroalgal photophysiology in the intertidal zone on Tromsøya

description: Macroalgal physiology in the winter spring transition was analysed variable fluorescence tools. Estimates include quantum yield and the parameters alpha and maximum rates for electron transport rate versus irradiance curve fits. The species included: Pelvetia canaliculate, Fucus spiralis, Fucus vesiculosus, Ascophyllum nodosum and Fucus serratus.
description: r package phytotools, 1
DOI: 10.18710/pjye0f/wib8xf
title: 00_README.txt
DOI: 10.25549/prim-c46-5076
title: Visit to China, May-June 1979, for Lectures at the East China College of Hydraulic Engineering

description: This travel diary records a return visit to China for hydraulic engineering professor James Daily in which he and his wife Sarah pass through Hong Kong, Guangzhou and Shanghai before arriving at Nanjing, where he lectured at the East China College of Hydraulic Engineering.
DOI: 10.25549/prim-c46-6219
title: Shanghai technology exhibit, China, 1974

description: Exhibit of technology including automobiles, bulldozer, calculators, ceramics, couplers, farming and construction equipment, looms, machining bits, milling machine, model ships, rods, ship building, textiles, tractors, trucks, turbine. 55 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the gray-haired man with the glasses case in his breast pocket.
DOI: 10.25549/prim-c46-6240
title: Shanghai technology exhibit, China, 1974

description: Exhibit of technology including automobiles, bulldozer, calculators, ceramics, couplers, farming and construction equipment, looms, machining bits, milling machine, model ships, rods, ship building, textiles, tractors, trucks, turbine. 55 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the gray-haired man with the glasses case in his breast pocket.
DOI: 10.25549/prim-c46-6241
title: Shanghai technology exhibit, China, 1974

description: Exhibit of technology including automobiles, bulldozer, calculators, ceramics, couplers, farming and construction equipment, looms, machining bits, milling machine, model ships, rods, ship building, textiles, tractors, trucks, turbine. 55 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the gray-haired man with the glasses case in his breast pocket.
DOI: 10.15468/dl.fb8cmz
title: Occurrence Download

description: A dataset containing 5811 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Tanzania, United Republic of",
 "GadmGid is TZA",
 "TaxonKey is Corvus splendens"
 ]
}

 The dataset includes 5811 records from 10 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0009451-260221153910048/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.25549/prim-c46-6245
title: Shanghai technology exhibit, China, 1974

description: Exhibit of technology including automobiles, bulldozer, calculators, ceramics, couplers, farming and construction equipment, looms, machining bits, milling machine, model ships, rods, ship building, textiles, tractors, trucks, turbine. 55 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the gray-haired man with the glasses case in his breast pocket.
DOI: 10.25549/prim-c46-6258
title: Shanghai technology exhibit, China, 1974

description: Exhibit of technology including automobiles, bulldozer, calculators, ceramics, couplers, farming and construction equipment, looms, machining bits, milling machine, model ships, rods, ship building, textiles, tractors, trucks, turbine. 55 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the gray-haired man with the glasses case in his breast pocket.
DOI: 10.25549/prim-c46-6308
title: Shanghai machine works children, China, 1974

description: Elementary school children at school and play, possibly in conjunction with the Shanghai Machine Works. 19 photographs taken on a visit of hydraulic engineers to China, 1974. Maury Albertson may be the gray-haired man with the glasses case in his breast pocket.
DOI: 10.25549/prim-c46-6158
title: Forbidden City, Beijing, China, 1974

description: Interior and exterior views around the Forbidden City, Beijing, including architectural details, buildings, furniture, landscape. 31 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6162
title: Forbidden City, Beijing, China, 1974

description: Interior and exterior views around the Forbidden City, Beijing, including architectural details, buildings, furniture, landscape. 31 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6167
title: Forbidden City, Beijing, China, 1974

description: Interior and exterior views around the Forbidden City, Beijing, including architectural details, buildings, furniture, landscape. 31 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6085
title: Museum art, China, 1974

description: Objects in a museum including archaeological artifacts, art, bowls, burial site, carvings, porcelain figurines, jewelry, scientific instrument, scrimshaw, pottery, stoneware, vase. 28 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6431
title: Red Flag Canal, China, 1974

description: Landscape, agriculture and activity around the Red Flag Canal. 41 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6437
title: Red Flag Canal, China, 1974

description: Landscape, agriculture and activity around the Red Flag Canal. 41 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6439
title: Red Flag Canal, China, 1974

description: Landscape, agriculture and activity around the Red Flag Canal. 41 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6441
title: Red Flag Canal, China, 1974

description: Landscape, agriculture and activity around the Red Flag Canal. 41 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.25549/prim-c46-6447
title: Red Flag Canal, China, 1974

description: Landscape, agriculture and activity around the Red Flag Canal. 41 photographs taken on a visit of hydraulic engineers to China, 1974.
DOI: 10.5281/zenodo.18324260
title: Dataset from the paper: "New species of treefrog of the Boophis goudotii group from the isolated Ivohiboro Protected Area in South-eastern Madagascar"

description: Dataset from the paper:

Basham, E.W., M.D. Masotti, B. Otero Jimenez, D. Razafitsimialona, G.M. Andrianatenaina, A. Rakotoarison, F. Glaw, P. C. Wright & M. Vences (2026): New species of treefrog of the Boophis goudotii group from the isolated Ivohiboro Protected Area in south-eastern Madagascar. – Salamandra 62: 42-52.

Contains:



Treefile and alignment of 16S rRNA gene sequences used

Table with pairwise uncorrected distances

Table with sequences and metadata of the new species

Table with raw measurements of body sizes

Representative cuts in WAV formats of the advertisement call of the new species
DOI: 10.25549/prim-c46-6371
title: Green Mountain Orchard, China, 1974

description: Fruit and fields at Green Mountain orchard. 13 photographs taken on a visit of hydraulic engineers to China, 1974.