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We investigate a version of fixed scalars for non-dilatonic branes which correspond to dilatations of the brane world-volume. We obtain a cross-section whose world-volume interpretation requires an investigation of the breaking of conformal invariance by the irrelevant Born-Infeld corrections to Yang-Mills theory. From the same irrelevant world-volume… (More)

We study fluctuations around the warped conifold supergravity solution of Klebanov and Tseytlin [1], known to be dual to a cascadingN = 1 gauge theory. Although this supergravity background is not asymptotically AdS, corresponding to a non-conformal field theory, it is possible to apply the usual methods of AdS/CFT duality to extract the high energy… (More)

- Michael Krasnitz, Arnold J. Levine, Raul Rabadan
- Journal of virology
- 2008

A search of the influenza virus genome database reveals anomalies associated with a nonnegligible number of submitted sequences. There are many pairs of viral segments that are very close to each other in nucleotide sequence but relatively far apart in reported time of isolation, resulting in an abnormally low evolutionary rate. Also, some sequences show… (More)

- Raul Rabadan, Arnold J. Levine, Michael Krasnitz
- Influenza and other respiratory viruses
- 2008

BACKGROUND
The influenza A virus has two basic modes of evolution. Because of a high error rate in the process of replication by RNA polymerase, the viral genome drifts via accumulated mutations. The second mode of evolution is termed a shift, which results from the reassortment of the eight segments of this virus. When two different influenza viruses… (More)

- Harlan S. Robins, Michael Krasnitz, Hagar Barak, Arnold J. Levine
- Journal of bacteriology
- 2005

The degeneracy of codons allows a multitude of possible sequences to code for the same protein. Hidden within the particular choice of sequence for each organism are over 100 previously undiscovered biologically significant, short oligonucleotides (length, 2 to 7 nucleotides). We present an information-theoretic algorithm that finds these novel signals.… (More)

We compute the two point correlation function of a dimension 4 operator in a nonconformal cascading N = 1 SUSY gauge theory using the supergravity dual found by Klebanov and Strassler [1]. The two point function has a logarithmic correction to conformal behavior which is related to the scale dependence of the effective number of colors. The nonsingular… (More)

- Harlan S. Robins, Michael Krasnitz, Arnold J. Levine
- Experimental biology and medicine
- 2008

A new algorithm has been constructed for finding under- and overrepresented oligonucleotide motifs in the protein coding regions of genomes that have been normalized for G/C content, codon usage, and amino acid order. This Robins-Krasnitz algorithm has been employed to compare the oligonucleotide frequencies between many different prokaryotic genomes.… (More)

We solve the problem of mixing between the fixed scalar and metric fluctuations. First, we derive the decoupled fixed scalar equation for the four-dimensional black hole with two different charges. We proceed to the five-dimensional black hole with different electric (1-brane) and magnetic (5-brane) charges, and derive two decoupled equations satisfied by… (More)

We perform the classical gravity calculations of the fixed scalar absorption cross-sections by D = 5 black holes with three charges and by D = 4 black holes with four charges. We obtain analytic results for the cases where the energy and the left and right moving temperatures are sufficiently low but have arbitrary ratios. In D = 5 the greybody factor is in… (More)

- Yaoxing Huang, Michael Krasnitz, +5 authors Harlan S. Robins
- PloS one
- 2008

This manuscript describes a novel strategy to improve HIV DNA vaccine design. Employing a new information theory based bioinformatic algorithm, we identify a set of nucleotide motifs which are common in the coding region of HIV, but are under-represented in genes that are highly expressed in the human genome. We hypothesize that these motifs contribute to… (More)