What is President Zelensky's stance on US-Russian negotiations about Ukraine?

President Zelensky has expressed strong opposition to yielding to Russia's ultimatums, stating firmly that he never intended to and does not intend to do so in the future. He has voiced significant anger that diplomatic talks concerning Ukraine's future are proceeding between the US and Russia without Ukrainian representation. Zelensky has repeatedly emphasized Ukraine's discontent with being excluded from negotiations that directly impact its sovereignty and territorial integrity. His position reflects Ukraine's insistence on maintaining agency in any peace process, rejecting any solutions imposed by external powers without Ukrainian participation.