Results 31 to 40 of about 1,577,958 (284)

Significance of the suture line in cephalopod taxonomy revealed by 3D morphometrics in the modern nautilids Nautilus and Allonautilus

open access: yesScientific Reports, 2021
Assessing the taxonomic importance of the suture line in shelled cephalopods is a key to better understanding the diversity of this group in Earth history.
Amane Tajika   +2 more
doaj   +1 more source

EXPLORATION OF BATIK JAMBI ON LEARNING TRANSFORMATION GEOMETRY

open access: yesPrima: Jurnal Pendidikan Matematika, 2023
Geometry Ability is one of the mathematical abilities that must be mastered by students, this is because geometry ability is one part of learning mathematics.
retno andriyani   +4 more
doaj   +1 more source

Electric-magnetic Duality in Noncommutative Geometry [PDF]

open access: yes, 1997
The structure of S-duality in U(1) gauge theory on a 4-manifold M is examined using the formalism of noncommutative geometry. A noncommutative space is constructed from the algebra of Wilson-'t Hooft line operators which encodes both the ordinary ...
Lizzi, Fedele, Szabo, Richard J.
core   +3 more sources

Epipolar geometry based on line similarity [PDF]

open access: yes2016 23rd International Conference on Pattern Recognition (ICPR), 2016
ICPR 2016, Cancun, Dec ...
Gil Ben-Artzi   +3 more
openaire   +2 more sources

Impact of Fjord Geometry on Grounding Line Stability

open access: yesFrontiers in Earth Science, 2018
Recent and past retreat of marine-terminating glaciers are broadly consistent with observed ocean warming, yet responses vary significantly within regions experiencing similar ocean conditions. We assess how fjord geometry modulates glacier response to a
Henning Åkesson   +3 more
doaj   +1 more source

STRICT GEOMETRIC CALIBRATION OF AN UNDERWATER LASER TRIANGULATION SYSTEM [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2021
This paper will describe a novel approach for the calibration of an underwater laser triangulation system. Underwater triangulation systems, consisting of a line laser and a camera can be used to determine the geometry of submerged objects or the ...
H. Sardemann, C. Mulsow, H.-G. Maas
doaj   +1 more source

The Anexact: Delimitating Operations in the work of Sejima and Nishizawa

open access: yesMateria Arquitectura, 2014
The notion of the “anexact” is introduced as a conceptual framework for the study of the generative systems operating in a set of recurring formal families in the work of Kazuyo Sejima and Ryue Nishizawa.
Miguel Paredes Maldonado
doaj   +1 more source

Is There a Disc in the Superluminal Quasars? [PDF]

open access: yes, 2003
We present a new evidence of the accretion disc in active galactic nuclei, by examining the properties of the Ha emission line versus viewing angle, in a sample of superluminal (SL) quasars.
Economou, F.   +3 more
core   +2 more sources

Penggunaan Etnomatematika Pada Batik Paoman Dalam Pembelajaran Geomteri Bidang di Sekolah Dasar

open access: yesIndoMath, 2018
This study aims to explore the ethnomatematics contained in Batik Paoman Indramayu and apply it to the learning of geometry field in elementary school. This research is a qualitative research with ethnography approach, where the data collection technique
Sudirman Sudirman   +2 more
doaj   +1 more source

Feature Lines for Illustrating Medical Surface Models: Mathematical Background and Survey

open access: yes, 2015
This paper provides a tutorial and survey for a specific kind of illustrative visualization technique: feature lines. We examine different feature line methods.
A. Chu   +24 more
core   +1 more source

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