English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Relativistic hydrodynamics of an isentropic fluid in a gravitational field isconsidered as the particular example from the family of Lagrangianhydrodynamic-type systems which possess an infinite set of integrals of motiondue to the symmetry of Lagrangian with respect to relabeling of fluid particlelabels. Flows with fixed topology of the vorticity are investigated inquasi-static regime, when deviations of the space-time metric and the densityof fluid from the corresponding equilibrium configuration are negligibly small.On the base of the variational principle for frozen-in vortex lines dynamics,the equation of motion for a thin relativistic vortex filament is derived inthe local induction approximation.Comment: 4 pages, revtex, no figur

Slow flows of a relativistic perfect fluid in a static gravitational field