President-elect Donald J. Trump threatened to impose tariffs on countries that seek to replace the dollar in trade or undermine its global reserve currency status.
At a meeting of emerging economies, Vladimir Putin positioned himself as a respected and powerful leader, ignoring the condemnation he receives from the West.
A meeting between the two leaders comes just two days after they settled a tense border dispute in the Himalayas. But experts said their long-term geopolitical rivalry would persist.