The immune system’s ability to remember defeated disease-causing germs and prevent subsequent infections remains incompletely understood, but a study in Science Immunology clarifies an important piece ...
The Mathematical Gazette is the original journal of the Mathematical Association and it is now over a century old. Its readership is a mixture of school teachers, college and university lecturers, ...
Earlier D.Đ. Tošić obtained an infinite series representation for the central difference operator ${\delta _\theta }f\left( z \right) = f\left( {z' + \frac{1}{2}h ...
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