Document is current

Article History

Received: 26 May 2021

Revised: 3 September 2021

Accepted: 12 September 2021

First Online: 23 September 2021

Declarations

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: We wish to draw the attention of the Editor to the following facts which may be considered as potential conflicts of interest to this work. We confirm that the manuscript entitled “Elastic–plastic torsion problem with non-linear hardenings using the method of fundamental solution” has been read and approved by all named authors and that there are no other persons who satisfied the criteria for authorship but are not listed. We further confirm that the order of authors listed in the manuscript has been approved by all of us. We confirm that we have given due consideration to the protection of intellectual property associated with this work and that there are no impediments to publication, including the timing of publication, with respect to intellectual property. In so doing we confirm that we have followed the regulations of our institutions concerning intellectual property. We understand that the Corresponding Author is the sole contact for the Editorial process (including Editorial Manager and direct communications with the office). He is responsible for communicating with the other authors about progress, submissions of revisions, and final approval of proofs. We confirm that we have provided a current, correct email address which is accessible by the Corresponding Author and which has been configured to accept any emails. Signed by all authors.