The Thinking about the Product of Infinite Infinitesimals;
Corollary 1 The product of a constant and an infinitesimal is an infinitesimal.
Theorem 1 The sum of finite number of infinitesimal is an infinitesimal.
Some Sufficient Conditions about the Product of Countable Infinitesimal for Infinitesimal;
Theorem 2 The product of a bounded function and an infinitesimal is an infinitesimal.
Notes On Infinity And Infintesimal;
The integers divide the number line into infinitely many half-open intervals.
They were in countless numbers.
There are infinitely many real numbers between any two distinct real numbers.
A Conclusion And Apply Of Theorem That Replace With Infinitesimal Of Equal Value;
The Ways of Getting Limits with the Equivalent Infinitesimal;
Multiple Positive Solutions to a Kind of Second-Order Four-Point Boundary Value Problem;
The Existence of Infinite Many Solutions to a Hardy Equation with Convex and Concave Nonlinearities
"so infinite was the torture inflicted by the intelligent touch of Pearl's baby hand. Again, as if her mother's agonised gesture were meant only to make sport for her, did little Pearl look into her eyes, and smile!"
Being neither infinite nor infinitesimal.
Capable of having values approaching zero as a limit.
Infinitesimal Quantum gl_n and Associated Little q-Schur Algebras;