Results 71 to 80 of about 117,029 (163)
Geophysical update of the diameter of the Zhamanshin impact structure, Kazakhstan
Meteoritics &Planetary Science, Volume 61, Issue 9, Page 2284-2302, September 2026.Abstract The rim of the 0.9‐Ma‐old Zhamanshin impact crater in Kazakhstan is considered to be almost completely exposed via a series of hills surrounding a central flat area, indicating an apparent diameter of 14 km. This would make Zhamanshin the second largest impact crater of the Quaternary period. However, the overall geometry of these hills is not
Yoann Quesnel +6 more
wiley +1 more source
Exponential convergence for ultrafast diffusion equations with log‐concave weights
Bulletin of the London Mathematical Society, Volume 58, Issue 9, September 2026.Abstract We study the asymptotic behavior of a weighted ultrafast diffusion PDE on the real line, with a log‐concave and log‐lipschitz weight, and prove exponential convergence to equilibrium. This result goes beyond the compact setting studied in Iacobelli [Discrete Contin. Dyn. Syst. 39 (2019), 4929–4943].
Max Fathi, Mikaela Iacobelli
wiley +1 more source
Isometric immersions into three‐dimensional unimodular metric Lie groups
Journal of the London Mathematical Society, Volume 114, Issue 3, September 2026.Abstract We study isometric immersions of surfaces into simply connected three‐dimensional unimodular Lie groups endowed with either Riemannian or Lorentzian left‐invariant metrics, assuming that Milnor's operator is diagonalizable in the Lorentzian case.
Ildefonso Castro +2 more
wiley +1 more source
The role of coordinates in border diplomacy: The case of Albania [PDF]
Micro, Macro & Mezzo GeoinformationThis study addresses the essential importance of geodetic coordinates in border diplomacy, focusing on the case of Albania. State borders represent not only geographical divisions, but also sovereignty, national identity, and economic interest.
Anduel Cauli, Pal Nikolli, Oltion Pupi
doaj +1 more source
Geodeettinen laitos - The Finnish Geodetic Institute 1918-1968
, 1969 The first chapter of Finnish Geodetic Institute 1918 - 1968 has been published in Finnish, as No.
core
Simple homotopy theory for Fukaya categories
Journal of Topology, Volume 19, Issue 3, September 2026.Abstract We develop a categorical framework for simple homotopy theory in Fukaya categories, based on the fundamental group of the ambient symplectic manifold. When the first Chern class vanishes, we show that any isomorphism in the Fukaya category of a Weinstein manifold has trivial Whitehead torsion.
Yonghwan Kim
wiley +1 more source
Aspek Geodetik Penegasan Batas Darat Indonesia dan Papua New Guinea: Status dan Permasalahannnya
Journal of Mathematical and Fundamental Sciences, 2013 Technical problems of land boundary between Indonesia and Papua New Guinea are related to delimitation and demarcation process that has been done by two countries.
Silvester Sari Sai +2 more
doaj +1 more source
The influence of new vertical datum at existing geodetic plans [PDF]
, 2015 The master's thesis brings attention to the procedures and results of the control of the elevation accuracy in selected geodetic plans. Elevations in the areas of geodetic plans were specified with the method of trigonometric levelling and with reference
Senekovič, Andrej
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Referencing regional geoid-based vertical datums to national tide gauge networks
Journal of Geodetic Science, 2012 The objective of this study is to investigate the best means for referencing a regional geoid-based vertical datum to a network of tide gauges. In this study, a network of 27 tide gauge stations scattered along the coasts of Canada are used in order to ...
Bolkas D., Fotopoulos G., Sideris M. G.
doaj +1 more source
Earth and Space ScienceAtmospheric Rivers (ARs) play an important role in influencing polar climate systems and glacier hydrology, making their study essential for understanding climate change impacts in these sensitive regions. With the increasing frequency of extreme weather
Jingming Li +5 more
doaj +1 more source