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2. Martingale (probability theory) - Wikipedia

   en.wikipedia.org/wiki/Martingale_(probability...

   A convex function of a martingale is a submartingale, by Jensen's inequality. For example, the square of the gambler's fortune in the fair coin game is a submartingale (which also follows from the fact that X n 2 − n is a martingale). Similarly, a concave function of a martingale is a supermartingale.

3. Martingale (collar) - Wikipedia

   en.wikipedia.org/wiki/Martingale_(collar)

   A martingale is a type of dog collar that provides more control over the animal without the choking effect of a slip collar. [1] Martingale dog collars are also known as greyhound, whippet or humane choke collars. The martingale dog collar was designed for sighthounds because their necks are larger than their heads and they can often slip out ...

4. Dog collar - Wikipedia

   en.wikipedia.org/wiki/Dog_collar

   Martingale Collar with Chain Loop; martingale collars also come with a fabric loop instead of chain as well as optional buckles on both styles. Martingale collars are recommended for sighthounds because their heads are smaller than their necks and they can often slip out of standard collars. They can, however, be used for any breed of dog.

5. Martingale - Wikipedia

   en.wikipedia.org/wiki/Martingale

   Martingale (collar) for dogs and other animals; Martingale (betting system), in 18th century France; a dolphin striker, a spar aboard a sailing ship; In the sport of fencing, a martingale is a strap attached to the sword handle to prevent a sword from being dropped if disarmed; In the theatrical lighting industry, martingale is an obsolete term ...

6. Risk-neutral measure - Wikipedia

   en.wikipedia.org/wiki/Risk-neutral_measure

   In mathematical finance, a risk-neutral measure (also called an equilibrium measure, or equivalent martingale measure) is a probability measure such that each share price is exactly equal to the discounted expectation of the share price under this measure.

7. 28 genius products you need if you're always cold

   www.aol.com/lifestyle/genius-products-you-need...

   These “super plush” robes from Brooklinen that are made with 100% Turkish cotton feature deep pockets, cuffed edges and a piped collar. I've owned one for years and it's still still the robe I ...