One Poisoning Can Hide Another

Hodgkin Lymphoma and Castleman Disease: When One Blood Disease Can Hide Another

We describe a rare case of Castleman disease associated de novo with Hodgkin lymphoma. The incidence of Castleman disease is rare; only a few studies have described it in de novo association with Hodgkin lymphoma. The patient described here complained of unique evolutionary axillary adenopathy. A positron-emission tomography/computed tomography scan revealed hypermetabolic activity in this area...

When Can One Finite Monoid Simulate Another?

Steganography Technique to Hide a Video into Another One via Discrete Wavelet Transform

In this work an algorithm is proposed to hide information, into an .avi video file. Such file is separated in audio and video. The video breaks down in its frames, in which we apply a discrete wavelet transform. Once the image has been separated in frequencies, zones are chosen where the information can be hidden. In this work the source of information is an image. Nevertheless, the procedure c...

How can we use one fracture to locate another ?

If You Can Hide behind It, Can You Hide inside It?

Let K and L be compact convex sets in Rn. Suppose that, for a given dimension 1 ≤ d ≤ n − 1, every d-dimensional orthogonal projection of L contains a translate of the corresponding projection of K. Does it follow that the original set L contains a translate of K? In other words, if K can be translated to “hide behind” L from any perspective, does it follow that K can “hide inside” L? A compact...