No period change in two long-period AM CVn binaries

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© 2026 The Authors. This is an Open Access article distributed under the terms of the Creative Commons Attribution Licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

• Accepted: 2 April 2026
• Published (online): 9 April 2026
• Published: May 2026

• Author