The eigenvalues of the transfer matrix in a six-vertex model (with periodic boundary conditions) can be written in terms of n constants v1,...,vn, the zeros of the function Q(v). A peculiar class of ...

Section 1. Background. In Executive Order 14257 of April 2, 2025 (Regulating Imports With a Reciprocal Tariff To Rectify Trade Practices That Contribute to Large and Persistent Annual United States ...

Abstract: Temporal-variant linear equations (TVLEs) are widely acknowledged for their pivotal role in various engineering fields, offering a potent means to model dynamic processes and evolving ...

Donald Trump has repeatedly said that his move to impose wide-ranging tariffs is based on the simple concept of reciprocity: The U.S. should put the same conditions on imports from other countries ...

Beginning on April 9, the United States will impose country-specific “reciprocal” tariffs targeting 57 named countries, with rates reaching as high as 50 percent. At a minimum, each country will pay a ...

President Trump's new tariffs on more than 100 countries used the same simple formula to calculate the rate for each of them. The formula’s central value is the trade deficit, the difference between ...

President Donald Trump on Wednesday announced a 10% tariff on all imports but even higher rates on dozens of trading partners including China, India and the European Union. The tariffs range between ...

Following President Donald Trump's announcement of reciprocal tariffs on dozens of America's trading partners, many questioned how the administration had calculated the rates at which to levy each ...

April 2 (Reuters) - President Donald Trump on Wednesday unveiled global reciprocal tariffs during an event at the White House. Following are highlights of Trump's remarks: Sign up here. * "In many ...

President Trump announced reciprocal tariffs on foreign nations, calling it a “Declaration of Economic Independence.” In a speech marking what he dubbed “Liberation Day,” he argued that for decades, ...