Search results
Results from the WOW.Com Content Network
More precisely Markov's theorem can be stated as follows: [2] [3] given two braids represented by elements , ′ in the braid groups ,, their closures are equivalent links if and only if ′ can be obtained from applying to a sequence of the following operations:
The term Markov assumption is used to describe a model where the Markov property is assumed to hold, such as a hidden Markov model. A Markov random field extends this property to two or more dimensions or to random variables defined for an interconnected network of items. [1] An example of a model for such a field is the Ising model.
The theorem was named after Carl Friedrich Gauss and Andrey Markov, although Gauss' work significantly predates Markov's. [3] But while Gauss derived the result under the assumption of independence and normality, Markov reduced the assumptions to the form stated above. [4] A further generalization to non-spherical errors was given by Alexander ...
The composition is associative by the Monotone Convergence Theorem and the identity function considered as a Markov kernel (i.e. the delta measure (′ |) = (′)) is the unit for this composition. This composition defines the structure of a category on the measurable spaces with Markov kernels as morphisms, first defined by Lawvere, [ 4 ] the ...
Gauss–Markov stochastic processes (named after Carl Friedrich Gauss and Andrey Markov) are stochastic processes that satisfy the requirements for both Gaussian processes and Markov processes. [1] [2] A stationary Gauss–Markov process is unique [citation needed] up to rescaling; such a process is also known as an Ornstein–Uhlenbeck process.
Feller derives the equations under slightly different conditions, starting with the concept of purely discontinuous Markov process and then formulating them for more general state spaces. [5] Feller proves the existence of solutions of probabilistic character to the Kolmogorov forward equations and Kolmogorov backward equations under natural ...
None of the prime divisors of a Markov number is congruent to 3 modulo 4, which implies that an odd Markov number is 1 more than a multiple of 4. [9] Furthermore, if is a Markov number then none of the prime divisors of is congruent to 3 modulo 4. An even Markov number is 2 more than a multiple of 32.
Then we can apply the strong Markov property to deduce that a relative path subsequent to , given by := (+), is also simple Brownian motion independent of . Then the probability distribution for the last time W ( s ) {\displaystyle W(s)} is at or above the threshold a {\displaystyle a} in the time interval [ 0 , t ] {\displaystyle [0,t]} can be ...