<p>I will summarise recent work on constructing regular bouncing string cosmologies in the framework of Hohm and Zwiebach’s classification of all order <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="10714_2025_3482_Article_IEq1.gif" Format="GIF" Height="15" Rendition="HTML" Resolution="72" Type="Linedraw" Width="18" /> </InlineMediaObject> <EquationSource Format="TEX">\(\alpha '\)</EquationSource> <EquationSource Format="MATHML"><math> <msup> <mi>α</mi> <mo>′</mo> </msup> </math></EquationSource> </InlineEquation> corrections compatible with <i>O</i>(<i>d</i>,&#xa0;<i>d</i>) symmetry.</p>

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Recent progress in classical string cosmology

  • Gabriele Veneziano

摘要

I will summarise recent work on constructing regular bouncing string cosmologies in the framework of Hohm and Zwiebach’s classification of all order \(\alpha '\) α corrections compatible with O(dd) symmetry.