The fourth declension.

Fourth order and fourth sum connectivity indices of tetrathiafulvalene dendrimers

The m-order connectivity index (G) m of a graph G is     1 2 1 1 2 1 ... ... 1 ( ) i i im m v v v i i i m d d d  G where 1 2 1 ... i i im d d d  runs over all paths of length m in G and i d denotes the degree of vertex i v . Also,        1 2 1 1 2 1 ... ... 1 ( ) i i im m v v v i i i ms d d d X G is its m-sum connectivity index. A dendrimer is an artificially manufactured or synth...

Into the fourth dimension

The influence of time on the drought response of Brassica rapa, an agriculturally important species of plant, has been clarified.

The Fourth Dimension

Have you heard enough about consolidation and eliminating redundant costs from the distribution system? Are you tired of hearing that wholesalers must become more efficient and execute better? All of us hear these same themes over and over; and make no mistake, they partially define the trends shaping our industry for the foreseeable future. IBG understands these trends; we’ve talked about them...

The Fourth Industrial Revolution

The fourth industrial revolution

We stand on the brink of a technological revolution that will fundamentally alter the way we live, work, and relate to one another. In its scale, scope, and complexity, the transformation will be unlike anything humankind has experienced before. We do not yet know just how it will unfold, but one thing is clear: the response to it must be integrated and comprehensive, involving all stakeholders...