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Definition. The pullback attractor (or random global attractor) for a random dynamical system is a - almost surely unique random set such that. is a random compact set: is almost surely compact and is a - measurable function for every ; is invariant: for all almost surely; is attractive: for any deterministic bounded set ,
Pushout (category theory) In category theory, a branch of mathematics, a pushout (also called a fibered coproduct or fibered sum or cocartesian square or amalgamated sum) is the colimit of a diagram consisting of two morphisms f : Z → X and g : Z → Y with a common domain. The pushout consists of an object P along with two morphisms X → P ...
Symptoms. Throwing out your back can cause the following symptoms: back stiffness that keeps you from moving well. intense low back pain. muscle spasms, or intense bouts of muscle tightening and ...
How we vet brands and products. An intramuscular injection is a technique used to deliver a medication deep into the muscles. This allows the bloodstream to absorb the medication quickly. You may ...
In electronic logic circuits, a pull-up resistor ( PU) or pull-down resistor ( PD) is a resistor used to ensure a known state for a signal. [1] It is typically used in combination with components such as switches and transistors, which physically interrupt the connection of subsequent components to ground or to V CC.
Bareback (sexual act) Bareback sex is physical sexual activity, especially sexual penetration, without the use of a condom. [1] The topic primarily concerns anal sex between men without the use of a condom, and may be distinguished from unprotected sex because bareback sex denotes the deliberate act of forgoing condom use. [2] [3]
Phimosis is a condition in which the foreskin can’t be retracted (pulled back) from around the tip of the penis. A tight foreskin is common in baby boys who aren’t circumcised, but it usually ...
Back, calf, and hamstring strains are among the most common types of muscle strains. Muscle strain vs. pulled muscle. A muscle strain is the same as a pulled muscle or a muscle tear. Since it’s ...