Search Results - "GEOMETRY"

The geometry of vision: a comparative study of Persian architecture and miniature painting as a unified system (Ilkhanid and Timurid periods)

Authors: Ghaffari Pour Jahromi, Negin

Contributors: University/Department: Universitat Politècnica de Catalunya. Departament de Teoria i Història de l'Arquitectura i Tècniques de Comunicació

Thesis Advisors: Azara Nicolás, Pedro

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: Persian architecture, Persian miniature painting, Islamic geometry, visual culture, Ilkhanid and Timurid art, symbolic space, comparative analysis, geometry in Islamic art, Àrees temàtiques de la UPC::Arquitectura, 72 - Arquitectura

File Description: application/pdf

Access URL: http://hdl.handle.net/10803/695415
https://dx.doi.org/10.5821/dissertation-2117-443161

Large and iterated finite group actions on aspherical manifolds

Authors: Daura Serrano, Jordi

Contributors: University/Department: Universitat de Barcelona. Departament de Matemàtiques i Informàtica

Thesis Advisors: Mundet i Riera, Ignasi

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: Varietats topològiques, Variedades topológicas, Topological manifolds, Grups de transformacions, Grupos de transformaciones, Transformation groups, Grups de Lie, Grupos de Lie, Lie groups, Grups finits, Grupos finitos, Finite groups, Tor (Geometria), Toro (Geometría), Torus (Geometry), Ciències Experimentals i Matemàtiques

Time: 515.1

File Description: application/pdf

Access URL: http://hdl.handle.net/10803/695379

Sum frequency dual null angle approach and its use in surface hyperpolarizability ratio measurements.

Authors: Kumarasiri, Aruna Yang, Peter Hore, Dennis

Source: Journal of Chemical Physics. 8/28/2025, Vol. 163 Issue 8, p1-9. 9p.

Subject Terms: *OPTICAL spectroscopy, *MEASUREMENT of angles (Geometry), *VIBRATIONAL spectra, *OPTICAL polarization, *CALIBRATION, *MOLECULAR orientation

Conjugate-dual clusters.

Authors: Wang, Silei Tian, Jing Li, Jiayu et al.

Source: Journal of Chemical Physics. 8/21/2025, Vol. 163 Issue 7, p1-12. 12p.

Subject Terms: *GEOMETRY, *CLUSTER analysis (Statistics), *POLYHEDRA, *MULTIVARIATE analysis, *MATHEMATICS

Direct density estimation using muon radiography.

Authors: Peña-Rodríguez, J.¹ (AUTHOR) penarodriguez@uni-wuppertal.de

Source: Journal of Applied Physics. 7/7/2025, Vol. 138 Issue 1, p1-9. 9p.

Subject Terms: *PYRAMIDS (Geometry), *GLACIERS, *APPLIED sciences, *FLUX flow, *TOMOGRAPHY, *ESTIMATION theory

Mathematics 4-6, Instructional Objectives Exchange.

Authors: California Univ., Los Angeles. Center for the Study of Evaluation. Alkin, Marvin C.

Peer Reviewed: N

Page Count: 250

Sponsoring Agency: Office of Education (DHEW), Washington, DC. Bureau of Research.

Descriptors: Arithmetic, Elementary School Mathematics, Evaluation, Geometry, Measurement Objectives, Objectives, Test Construction

WILMINGTON OPERATIONAL MATHEMATICS PROGRAM.

Authors: Wilmington Public Schools, DE. ROGLER, PAUL V.

Peer Reviewed: N

Page Count: 169

Descriptors: Algebra, Curriculum, Curriculum Development, Geometry, Grade 9, Mathematics, Secondary School Mathematics

Geographic Terms: Delaware

Curriculum and Teaching of Mathematics in the Higher Secondary Schools.

Authors: National Council of Educational Research and Training, New Delhi (India). Dept. of Curriculum and Evaluation.

Peer Reviewed: N

Page Count: 236

Sponsoring Agency: Office of Education (DHEW), Washington, DC. Bureau of Research.

Descriptors: Algebra, Arithmetic, Course Objectives, Curriculum, Evaluation, Geometry, Instructional Materials, Mathematics, Secondary School Mathematics, Teaching Methods

Geographic Terms: India

Computing positive tropical varieties and lower bounds on the number of positive roots

Authors: Rose, Kemal Telek, Máté L.

Source: Journal of symbolic computation. 132

Subject Terms: Real algebraic geometry, Tropical geometry, Viro's patchworking

File Description: print

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-368580
https://doi.org/10.1016/j.jsc.2025.102477

Avenços en els fonaments matemàtics de l’anàlisi composicional de dades: convexitat i normes Lp. Aplicació a la regressió lineal LASSO amb covariable composicional

Authors: Saperas Riera, Jordi

Contributors: University/Department: Universitat de Girona. Departament d'Informàtica, Matemàtica Aplicada i Estadística (2013-)

Thesis Advisors: Mateu i Figueras, Glòria, Martín Fernández, Josep Antoni

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: Anàlisi de dades composicionals, Análisis de datos composicionales, Compositional data analysis, Geometria d'Aitchison, Geometría de Aitchison, Aitchison geometry, Símplex, Simplex, Norma Lp, Lp norm, Optimització convexa, Optimización convexa, Convex optimisation

File Description: application/pdf

Access URL: http://hdl.handle.net/10803/693962

Adaptive Use of LBO Bases by Shape Feature Scales for High‐Quality and Efficient Shape Correspondence.

Authors: Zhao, Chong Wang, Wencheng Hou, Fei

Source: Computer Graphics Forum. Nov2025, p1. 14p. 12 Illustrations.

Subject Terms: *PROCESS optimization, *EMPIRICAL research, SHAPE analysis (Computational geometry), MATHEMATICAL mappings

Data quality improvement and geometric information recovery for resistance spot welding with Spatial-Temporal Fast Fourier Transform.

Authors: Xu, Boyang Guo, Shenghan

Source: Quality Engineering. 2025, Vol. 37 Issue 4, p693-705. 13p.

Subject Terms: *NONDESTRUCTIVE testing, DATA quality, GEOMETRY, IMAGE quality in imaging systems, THERMOGRAPHY, SPOT welding, FAST Fourier transforms

Higher-level domain-general skills in maths problem solving.

Authors: Braithwaite, David W. Shrager, Jeff

Source: Thinking & Reasoning. Oct2025, p1-37. 37p. 2 Illustrations.

Subject Terms: *MATHEMATICS, *PROBABILITY theory, *LOGIC, *PROBLEM solving, *TASK analysis, GEOMETRY, COGNITIVE ability

Estimation of the mixed geographically weighted regression model based on the Minkowski distance.

Authors: Shen, Si-Lian Zhang, Ying-Jie Cui, Jian-Ling

Source: Communications in Statistics: Theory & Methods. Nov2025, p1-14. 14p. 7 Illustrations.

Subject Terms: *ESTIMATION theory, *STATISTICAL sampling, *REGRESSION analysis, MINKOWSKI space, MINKOWSKI geometry, GEOGRAPHIC spatial analysis, ROBUST statistics

WaterGS: Physically‐Based Imaging in Gaussian Splatting for Underwater Scene Reconstruction.

Authors: Wang, S. Q. Wu, W. B. Shi, M. et al.

Source: Computer Graphics Forum. Oct2025, Vol. 44 Issue 7, p1-12. 12p.

Subject Terms: GEOMETRY, COMPUTER graphics, ANALYSIS of colors, IMAGE enhancement (Imaging systems), IMAGE processing, UNDERWATER imaging systems

Gaussians on their Way: Wasserstein‐Constrained 4D Gaussian Splatting with State‐Space Modeling.

Authors: Deng, J. Shi, P. Luo, Y. et al.

Source: Computer Graphics Forum. Oct2025, Vol. 44 Issue 7, p1-10. 10p.

Subject Terms: STATE-space methods, METRIC geometry, COMPUTER graphics, IMAGE quality in imaging systems

IPFNet: Implicit Primitive Fitting for Robust Point Cloud Segmentation.

Authors: Zhou, Shengdi Zan, Xiaoqiang Zhou, Bin

Source: Computer Graphics Forum. Oct2025, Vol. 44 Issue 7, p1-9. 9p.

Subject Terms: POINT cloud, GEOMETRY, REVERSE engineering, GEOMETRIC shapes, ROBUST statistics

Feasibility study of WAAM application on superalloy Inconel 718 in aerospace industry – impact of shielding gas

Authors: Li, Peigang Andersson, Joel Igestrand, Mattias et al.

Source: Welding International. :1-13

Subject Terms: cMt-WaaM, inconel 718, shielding gas, defects, geometry

File Description: print

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-115121
https://doi.org/10.1080/09507116.2025.2563764

Geometric changes of TMP fibres due to thermo-hydrolytic disintegration of waste MDF evaluated by three fibre analysers

Authors: Bütün Buschalsky, Fahriye Yağmur Imken, Arne A. P. Adamopoulos, Stergios et al.

Source: Wood Material Science & Engineering. 20(5):1057-1065

Subject Terms: Aspect ratio, fibre analysis, fibre geometry, geodesic fibre length, hydrolytic disintegration, MDF, recycling, Forestry and Wood Technology, Skog och träteknik

File Description: print

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-141835
https://doi.org/10.1080/17480272.2024.2383357

Evaluation of crack depth impact on HFMI-treated pre-fatigued welded bridge details

Authors: Edgren, Martin Hedegård, Joakim Barsoum, Zuheir

Source: Welding in the World. 69(8):2443-2458

Subject Terms: Cope hole geometry, Crack depth monitoring, Fatigue, Fracture, HFMI, Post-weld treatment, Strain range drop, TOFD, Welded bridge details

File Description: print

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-368656
https://doi.org/10.1007/s40194-025-02102-6