Results 21 to 30 of about 998,991 (321)

Low energy dynamics of a CP^1 lump on the sphere [PDF]

open access: yes, 1995
Low-energy dynamics in the unit-charge sector of the CP^1 model on spherical space (space-time S^2 x R) is treated in the approximation of geodesic motion on the moduli space of static solutions, a six-dimensional manifold with non-trivial topology and ...
Belavin A. A., J. M. Speight
core   +3 more sources

FPT-Algorithms for Computing Gromov-Hausdorff and Interleaving Distances Between Trees [PDF]

open access: yes, 2019
The Gromov-Hausdorff distance is a natural way to measure the distortion between two metric spaces. However, there has been only limited algorithmic development to compute or approximate this distance.
Farahbakhsh Touli, Elena, Wang, Yusu
core   +2 more sources

Hilbert Metric in the Unit Ball

open access: yesStudia Scientiarum Mathematicarum Hungarica, 2023
The Hilbert metric between two points 𝑥, 𝑦 in a bounded convex domain 𝐺 is defined as the logarithm of the cross-ratio 𝑥, 𝑦 and the intersection points of the Euclidean line passing through the points 𝑥, 𝑦 and the boundary of the domain. Here, we study this metric in the case of the unit ball 𝔹𝑛.
Oona Rainio, Matti Vuorinen
openaire   +2 more sources

Another extension of the disc algebra [PDF]

open access: yes, 2010
We identify the complex plane C with the open unit disc D={z:|z| z/(1+|z|). This leads to a compactification $\bar{C}$ of C, homeomorphic to the closed unit disc. The Euclidean metric on the closed unit disc induces a metric d on $\bar{C}$.
Carleson L   +3 more
core   +1 more source

New Standards for Measurement in Meridians & Acupoints by Taking the Size of Normal Male Legs

open access: yesJournal of Pharmacopuncture, 2010
Objective : Standard of measurement in Korean Medicine has been changed in dynasty and location. Thus, cun (寸) and chi (尺) as unit of measurement for meridians and acupoints could be recognized as the length of equally divided portions of a certain long ...
Shin Jong Yu   +6 more
doaj   +1 more source

Dealing with Metric Unit Conversion: An Examination of Prospective Science Teachers’ Knowledge of and Difficulties with Conversion

open access: yesScience Education International, 2018
The aim of this study was to examine prospective science teachers’ knowledge of and difficulties with the metric unit conversion. The participants of the study were 73 prospective science teachers.
Emrah Oguzhan Dincer   +1 more
doaj   +1 more source

Completeness results for metrized rings and lattices [PDF]

open access: yesCategories and General Algebraic Structures with Applications, 2019
The Boolean ring $B$ of measurable subsets of the unit interval, modulo sets of measure zero, has proper radical ideals (for example, $\{0\})$ that are closed under the natural metric, but has no prime ideal closed under that metric; hence closed radical
George Bergman
doaj   +1 more source

Critical Metrics and Curvature of Metrics with Unit Volume or Unit Area of the Boundary

open access: yesThe Journal of Geometric Analysis, 2022
32 pages. Comments are welcome! (added references, corrected typos)
Tiarlos Cruz, Almir Silva Santos
openaire   +3 more sources

Kaleidoscopical graphs and semigroups [PDF]

open access: yesМатематичні Студії, 2011
We give a semigroup characterization of kaleidoscopical graphs. A connected graph Г (considered as a metric space with the path metric) is called kaleidoscopical if there is a vertex coloring of Г which is bijective on each unit ball.
K. D. Protasova
doaj  

Sums of two dimensional spectral triples

open access: yes, 2006
We study countable sums of two dimensional modules for the continuous complex functions on a compact metric space and show that it is possible to construct a spectral triple which gives the original metric back.
Christensen, Erik, Ivan, Cristina
core   +3 more sources

Home - About - Disclaimer - Privacy