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Martingale (US Women's Army Corps winter overcoat, WWII era) A martingale (also martingale belt [1]) is a strap on a dress or a half-belt on a coat or a jacket, [2] [3] used to adjust the fullness of the cloth. The martingale is typically attached to the piece of clothing by buttons. [4]
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 ...
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.
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 ...
Buckle collars, also called flat collars, [6] with a buckle similar to a belt buckle, or a quick-release buckle, either of which holds the collar loosely around the dog's neck. Identification is commonly attached to such a collar; it also comes with a loop to which a leash can be fastened.
A belt is a flexible band or strap, typically made of leather, plastic, or heavy cloth, worn around the natural waist or near it (as far down as the hips). The ends of a belt are free; and a buckle forms the belt into a loop by securing one end to another part of the belt, at or near the other end. Often, the resulting loop is smaller than the ...
A martingale of the time (a leather loop around the horse's neck with an additional strap down to the cinch) helped stabilize the saddle in addition to being a fashion accent. The rise of contest roping in the early 1900s returned the breast collar to popularity.
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.