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How can I wrote this unseen (for me) arrows in LaTeX?

enter image description here

Sigur
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Alexandra Bradan
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    From amssymb package: \circlearrowright and \curvearrowright – Sigur Feb 17 '20 at 19:26
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    Yes, thanks to both – Alexandra Bradan Feb 17 '20 at 20:58
  • Just only as example (minimal working example = MWE) to built the same image of the newbie user to the LaTeX has attached into your question. I agree totally with the user Sigur that have chosen the exact symbols of your image into the amssymb package. \documentclass[a4paper,12pt]{article} \usepackage{newtxtext,newtxmath,amssymb} \usepackage[scr=rsfso]{mathalfa} \begin{document} \begin{equation} L(\mathbf{M})=q{\scriptstyle \curvearrowright} H(\mathscr{Q})=\sum^{m}_{i=1}p^{i}_{\circlearrowright}H(\mathscr{P}^{i}) \end{equation} \end{document} – Sebastiano Feb 17 '20 at 22:49

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