DR1 operates as follows: Just prior to the receipt of the signal sample [r.sub.i] at time t = iT, the detector holds in store four (n-component) vectors [Q.sub.i-1] where:

All vectors {[P.sub.i]} for which [mathematical expression not reproducible] are discarded, and the first components of all remaining vectors are omitted to give the corresponding n-component vectors {[Q.sub.i]} where:

Just prior to the receipt of the signal sample [r.sub.i] at time t = iT, the detector holds in store eight (n-component) vectors [Q.sub.i-1] given in Equation (1), with their associated costs given in Equation (2).

The first n-components of [P.sub.i] are as shown in the original vector [Q.sub.i-1] and the last component [x.sub.i].

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n-component systems with interdependence failures, common-cause failure analysis in probabilistic risk assessment, two-dimensional maintenance with repair time threshold and generalized age replacement, and a summary of replacement policies for continuous damage models.

This value [t.sub.L] is significantly longer than the flow of the LL, including the duration of its initial stage with a large pulse current N-component of the current of lightning and its final stage at the beginning of the course of a long-term C-component of the lightning current.

On the base of the RL electrophysical formation mechanism from LL may lie the transformation of the plasma channel lightning periodic WEP and short (up to a few millimeters in length) <<hot>> (<<light>>) and <<cold>> (<<dark>>) longitudinal sections on phase flow in the <<hot>> (<<light>>) it a pulse N-component of the current of lightning discharge in the WEP with their long-term (up to tens of meters in length) and <<cold>> (<<dark>>) longitudinal sections in the final stages of the occurrence of a lightning discharge in its plasma channel continuous long-term C-component of the lightning current.

The basic electrophysical conditions under which the possible formation of electrically active air atmosphere of the Earth RL, appearing in a modified by this transformation of longitudinal periodic WEP plasma channel of LL at its final stage of development after the leakage of the pulse N-component of the lightning discharge current are formulated.

Suppose moreover that each n-component is a dual equivalence graph.

Let C [congruent to] [G.sub.[mu]] be an n-component. Then for any partition [upsilon] [not equal to] [mu] of n with [upsilon] [subset] [lambda], there exists a unique n-component D [congruent to] [G.sub.[mu]] with which is connected to C by an (n - 1)-colored edge.

The n-components of [G.sub.[lambda]] are obtained by fixing the position of n + 1 in the tableau.