The retro-cue effect (RCE) describes superior working memory performance for validly cued stimulus locations long after encoding has ended. Importantly, this happens with delays beyond the range of iconic memory. In general, the RCE is a stable phenomenon that emerges under varied stimulus configurations and timing parameters. We investigated its susceptibility to dual-task interference to dete...

We derive a new representation of Lagrangian subspaces in the form ImΠT [ I X ] , where Π is a symplectic matrix which is the product of a permutation matrix and a real orthogonal diagonal matrix, and X satisfies |Xij | ≤ { 1 if i = j, √ 2 if i = j. This representation allows us to limit element growth in the context of doubling algorithms for the computation of Lagrangian subspaces and the sol...

By reparametrization, one may assume that γ is Lipschitz with constant equal to length(γ). We will also make use of the following simple (and well-known) criterion: a compact set Γ is the image of a rectifiable curve if and only if it is connected and H(Γ) < ∞. Indeed, one may choose γ so that length(γ) ≤ CH(Γ); see, for example, [1, 2]. Here and below, H denotes the one-dimensional Hausdorff m...

We introduce a new problem in the study of doubling spaces: Given a point set S and a target dimension d∗, remove from S the fewest number of points so that the remaining set has doubling dimension at most d∗. We present a bicriteria approximation for this problem, and extend this algorithm to solve a group of proximity problems.

High altitude seemed to be responsible for seven recent cases of sickling crisis. People with sickle-cell trait are at risk if they fly in unpressurized aircraft, which are used for many local air services. Those with sickle-cell haemoglobin C disease should avoid air travel even in pressurized aircraft. Possibly as a result of "autosplenectomy," patients with sickle-cell anaemia seem to be abl...

Employment and Wage Cuts in Mexico's tariff levels were associated with a slight Effects of Trade decline in employment in Liberalization Mexico and with increases in average wages (perhaps reflecting improved The Case of Mexican Manufacturing productivity in the reformed industries and a shift toward the use of more skilled Ana Revenga workers). The wages and employment of skilled production w...

The medical profession is one of the noblest professions in the world. However, corporatisation and commercialization of medical profession has made it like any other business and the medical profession is increasingly being guided by the profit motive rather than that of service. Such a situation gave rise to unethical practices and negligence. When business motive comes to the force, service ...

According to Federal Environmental Protection Agency (FEPA) Act of 1990, under section 38 a very lucid definition of environment was given as thus: ‘Environment includes water, air, land and all plants and human beings and/or animals living there in and the interrelationships which exist among these or any of them.’’ Thus, ‘’environment’’ comprises land, air, water and all the physical structur...