The partnership between the United States and Singapore is founded in no small part on the shared recognition of the value that technology has for national security. Over the last 55 years, Singapore has become an established purchaser of U.S. defens...
We report on the formation and evolution of a large-scale, synchrotron-emitting jet from the black hole candidate and X-ray binary system GX 339-4. In 2002 May, the source moved from a low/hard to a very high X-ray state, contemporaneously exhibiti...
Michelle LaVaughn Robinson Obama (née Robinson; born January 17, 1964) is an American attorney and author who served as First Lady of the United States
Central Michigan University (CMU, CMICH) is a public research university in Mount Pleasant, Michigan, United States. It was established in 1892 as a private normal school and became a state institution in …
The Boeing B-17 Flying Fortress is an American four-engined heavy bomber aircraft that was developed in the 1930s for the United States Army Air Corps
Feb 15, 2023 · This is Bing's Quote of the Day on Feb 15: A house divided against itself cannot stand. Abraham Lincoln 16th president of the United States Pretty sure someone else said it first, Bing.
Conventional reinforcement learning (RL) typically determines an appropriate primitive action at each timestep. However, by using a proper macro action, defined as a sequence of primitive actions, an agent is able to bypass intermediate states to a f...
We point out incorrect equations derived in a paper published in this journal Ref. [1] (E. O. Silva, Eur. Phys. J. Plus (2018) 133 : 530) for the Klein-Gordon equation with the Aharonov-Bohm and Coulomb potentials in a Gödel-type space-time. We deri...
We consider a control-constrained parabolic optimal control problem without Tikhonov term in the tracking functional. For the numerical treatment, we use variational discretization of its Tikhonov regularization: For the state and the adjoint equatio...
Oct 11, 2023 · More than 75 years after Israel declared statehood, its borders are yet to be entirely settled. Wars, treaties and occupation mean the shape of the Jewish state has changed over time, â¦
The modern borders of Israel exist as the result both of past wars and of diplomatic agreements between the State of Israel and its neighbours, as well as an effect of the agreements among colonial powers â¦
In this paper, we consider a class of time-optimal control problems governed by linear parabolic equations with mixed control-state constraints and end-point constraints, and without Tikhonov regularization term in the objective function. By the fini...
A class of parametric optimal control problems governed by semilinear parabolic equations with mixed pointwise constraints is investigated. The perturbations appear in the objective functional, the state equation and in mixed pointwise constraints. B...
Recent observations of neutron stars (NS) with radio, X-rays and gravitational waves have begun to constrain the equation of state (EoS) for nuclear matter beyond the nuclear saturation density. To one's surprise, there exist approximate universal re...
We present a new general board game (GBG) playing and learning framework. GBG defines the common interfaces for board games, game states and their AI agents. It allows one to run competitions of different agents on different games. It standardizes th...
While India has been one of the hotspots of COVID-19, data about the pandemic from the country has proved to be largely inaccessible at scale. Much of the data exists in unstructured form on the web, and limited aspects of such data are available thr...
The Census Bureau has released their “Income in the United States” report for 2024. https://www2.census.gov/library/publications/2025/demo/p60-286.pdf Once again we can see that incomes are dram...
Khovansky thanked Mellstroy for his assistance and stated that he now had enough money to buy the apartment, adding that he had “completely changed his opinion
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Jan 8, 2025 · In the United States and around the world, there are two main species of cotton cultivated for commercial use: upland cotton and Pima (extra-long staple) cotton.