103,310 research outputs found
Figure 2 from: Khatri I, Rustamani M (2011) Key to the Tribes and Genera of Deltocephaline Leafhoppers (Auchenorrhyncha, Hemiptera, Cicadellidae) of Pakistan. ZooKeys 104: 67-76. https://doi.org/10.3897/zookeys.104.906
No full textFigure 2 - a–o male genitalia. a, c, d, f (genital capsule); b (pygofer, caudal view); e (genital capsule, internal view); g (connective and style); h, i, n, o (valve, style and connective, dorsal view). j (style); k (connective); l (valve, styles, subgenital plates, connective and base of aedeagus); m (fused subgenital plates and valve (setae omitted), styles and base of connective). A Cicadulina bipunctata Ghauri B Macrosteles indrina (Pruthi) C Maiestas pruthii (Metcalf) D Hecalus sindhensis (Ahmed & Aziz) E Pseudosubhimalus bicolor Pruthi F Stirellus lahorensis (Distant) G Scaphoideus harlani Kitbamroong & Freytag H Neolimnus quadricornis Khatri & Webb I, J Psammotettix emarginata Singh K Bampurius pakistanicus Khatri & Webb L Jilinga gopii (Pruthi) M Goniagnathus (T.) quadripinnatus Dash & Viraktamath N Aconurella prolixa (Lethierry) O Stirellus lahorensis (Distant)
Khatri and Wandelt Reply:
No full textInternational audienceA Reply to the Comment by V. V. Flambaum and S. G. Porsev
FIGURE 4 in The leafhopper tribe Agalliini (Hemiptera: Cicadellidae: Megophthalminae) in Pakistan
No full textFIGURE 4. Agallia robusta Pruthi. (a–i) Male: a, head and thorax, dorsal view; b, forewing; c, pygofer, lateral view; d, subgenital plate, dorsal view; e, connective, dorsal view; f,g, style, dorsal view and lateral view respectively; h,i, aedeagus, lateral view and dorsal view respectively.Published as part of Khatri, Imran, 2010, The leafhopper tribe Agalliini (Hemiptera: Cicadellidae: Megophthalminae) in Pakistan, pp. 33-45 in Zootaxa 2614 on page 43, DOI: 10.5281/zenodo.19788
A note on idempotent matrices
No full textAbstractLet H be an n × n matrix, and let the trace, the rank, the conjugate transpose, the Moore-Penrose inverse, and a g-inverse (or an inner inverse) of H be respectively denoted by trH, ρ(H), H∗, H†, and H−. This note develops two results: (i) the class of idempotent g-inverse of an idempotent matrix, and (ii) if H is an n × n matrix and ρ(H) = trH, then tr(H2H†H∗) ⩾ ρ(H), and the equality holds iff H is idempotent. This result is compared with the previous result of Khatri (1983), and some consequences of (i) and (ii) are given
On the bounds for the spectral and lp norms of the Khatri-Rao product of Cauchy-Hankel matrices
No full textIn this paper we first establish a lower bound and an upper bound for the lp norms of the Khatri-Rao product of Cauchy-Hankel matrices of the form Hn=[1/(g + (i + j)h]i,j=1n for 5 = 1/2 and h = 1 partitioned as Hn = (Hn(21) Hn(11) Hn(22)Hn(12)) where Hnij is the ijth submatrix of order mi × nj with Hn (11) = Hn-1 We then present a lower bound and an upper bound for the spectral norm of Khatri-Rao product of these matrices. © 2006 Victoria University. All rights reserved
A diagnostic medium for the semi-selective isolation and enumeration of Xanthomonas axonopodis pv. vignicola
No full textA semi-selective medium for isolation of Xanthomonas axonopodis pv. vignicola from cowpea ( Vigna unguiculata) plant and soil samples was developed. Twelve carbon and five nitrogen sources were tested with four strains of X. axonopodis pv. vignicola, and 25 antibiotics were screened against saprophytes. D-cellobiose (10 g) was selected as the optimal carbon source. Among the antibiotics, cefazoline inhibited growth of most of the saprophytes with little effect on strains of the pathogen. D, L- methionine enhanced growth of X. axonopodis pv. vignicola. Boric acid along with ammonium chloride suppressed growth of Pseudomonas fluorescens. The semi-selective medium designated as cefazoline-cellobiose-methionine (CCM) medium contained K2HPO4 1.34 g, KH2PO4 0.4 g, MgSO4 0.3 g, H3BO3 0.2 g, NH4Cl 1.0 g, D-cellobiose 10 g, cycloheximide 0.2 g, D, L- methionine 1.0 g, cefazoline 10 mg and agar 14 g per l of water ( pH 7.2). Colonies of X. axonopodis pv. vignicola on CCM medium were whitish, round, raised and 0.2 - 1.8 mm in diameter 96 h after incubation. CCM medium generally inhibited growth of Pantoea agglomerans, Bacillus subtilis and saprophytes isolated from cowpea leaves. Colonies of Pseudomonas fluorescens and a saprophytic bacterium, which were not completely suppressed by CCM, could be differentiated from X. axonopodis pv. vignicola by their smaller size and different color. The CCM medium proved useful for isolation of X. axonopodis pv. vignicola from cowpea plant and soil samples. This is the first report of a semi-selective medium developed for detection of X. axonopodis pv. vignicola
On the bounds for ?p norms of Khatri-Rao and Tracy-Singh products of Cauchy-Toeplitz matrices
No full texthttp://sjam.selcuk.edu.tr/sjam/article/view/155In this paper, we have established a lower bound and an upper bound for the ?p?p norms of Khatri-Rao and Tracy-Singh products of Cauchy-Toeplitz matrices of the form Tn=[1/(g+(i?j)h)]ni,j=1Tn=[1/(g+(i?j)h)]i,j=1n, where gg and h?0h?0 are arbitrary numbers such that 0<g/h<
Logic Synthesis by Signal-Driven Decomposition
No full textThis chapter investigates some restructuring techniques based
on decomposition and factorization, with the objective to move
critical signals toward the output while minimizing area.
A specific application is synthesis for minimum switching activity
(or high performance), with minimum area penalty, where
decompositions with respect to specific critical variables are needed
(the ones of highest switching activity for example).
In order to reduce the power consumption of the circuit,
the number of gates that are affected by the switching activity of critical signals is maintained constant.
The chapter describes new types of factorization that extend
Shannon cofactoring and are based on projection functions that change
the Hamming distance among the original minterms to favor logic minimization of the component blocks.
Moreover, the proposed algorithms generate and exploit don't care conditions in order to further minimize the final circuit.
The related implementations, called P-Circuits, show experimentally
promising results in area with respect to classical Shannon cofactoring
Metabolic diversity of Xanthomonas axonopodis pv. vignicola, causal agent of cowpea bacterial blight and pustule
No full textFifty-five strains of Xanthomonas axonopodis pv. vignicola, isolated from blight and pustule symptoms of cowpea leaves, originating from 11 countries, were characterized for their carbon-source metabolization pattern using the Biolog GN microplate system. Great variation was found between strains according to origin. Dextrin, glycogen and succinamic acid were not used by strains from Benin, Uganda or Thailand, but by all the other strains (excluding two strains from Mozambique), whereas N-acetyl-D-glucosamine and malonic acid were used by the strains from Benin, Uganda and Thailand, but generally not by the other strains. The strains from Benin, Uganda and Thailand, as well as strains from Venezuela, Brazil and Mozambique, clustered separately from the others in multivariate analysis. Nineteen substrates were used by all the strains, 47 not by any strain and 29 only by some strains. No considerable differences were found between strains isolated from blight symptoms and from pustules. Virulence of strains was not related to the metabolic pattern. The Biolog database was not representative of the diversity of X. axonopodis pv. vignicola, since all strains were identified as Xanthomonas campestris, although belonging to eight pathovars, while only eight of nine strains from Benin and both strains from Thailand were identified as X. campestris pv. vignicola. The Biolog system appeared to be useful for characterizing the diversity of X. axonopodis pv. vignicola strains. A set of representative strains based on metabolic and molecular diversity, virulence and geographic origin is suggested for screening for resistant cowpea cultivars
Surgery in the patient with liver disease
No full textLiver dysfunction is a prominent entity in Western medicine that has historically affected patients suffering from chronic viral or alcoholic hepatitis. The incidence of these conditions has not changed dramatically in recent years but the overall number of patients with liver dysfunction has increased considerably with the emergence of the obesity epidemic. Nonalcoholic fatty liver disease (NAFLD) has become increasingly recognized as the most common cause of chronic liver disease in the United States. Although the rate of progression of NAFLD to overt cirrhosis is low, the high prevalence of this condition, combined with the moderate degree of liver dysfunction it engenders, has resulted in a significant increase in the number of patients with liver disease that can be encountered by a surgical practice. Any degree of clinically evident liver disease in a prospective surgical patient should raise concern for the entire surgical team. This particularly applies to intraabdominal surgery whereby the presence of hepatomegaly, portal hypertension, variceal bleeding, and ascites can turn even the most routine operation into a morbid and life-threatening procedure. Nonabdominal surgery avoids some of the technical challenges presented by liver disease but the anesthetic management of a cirrhotic patient still makes any operation potentially more dangerous. In this article, approaches to minimize the risk when surgery becomes necessary in the presence of liver disease are discussed
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