A few observations concerning topological string theories at the string-tree level are presented: (1) The tree-level, large phase space solution of an arbitrary model is expressed in terms of a variational problem, with an “action” equal, at the solution, to the one-point function of the puncture operator, and found by solving equations of Gauss-Manin type; (2) For Ak Landau-Ginzburg models, an...

This study investigates the potential of the alpha CD3-induced killer cells for use in adoptive immunotherapy of tumor growth. The alpha CD3-induced, activated, killer cells (CD3-AK) were generated in DBA/2 (H-2d) splenocytes by preactivation with alpha CD3 and were then cultured in the presence (CD3-AK [alpha CD3+]) or absence (CD3-AK [alpha CD3-]) of alpha CD3. The conventional lymphokine-act...

The aim of this study was to compare the nephrotoxic potential of amikacin (AK) and gentamicin (GM) in patients with normal baseline renal function. This study was a 1-year, non-interventional prospective study of patients administered either GM or AK. The study was carried out at the internal medicine department of Al-Watani governmental study. Nephrotoxicity was defined as a serum creatinine ...

We define Ak-moves for embeddings of a finite graph into the 3-sphere for each natural number k. Let Ak-equivalence denote an equivalence relation generated by Ak-moves and ambient isotopy. Ak-equivalence implies Ak−1-equivalence. Let F be an Ak−1-equivalence class of the embeddings of a finite graph into the 3-sphere. Let G be the quotient set of F under Ak-equivalence. We show that the set G ...

This paper is an elementary introduction to the methods of Landsberg and Manivel, [3] for finding the ideals of secant varieties to Segre varieties. We cover only the most basic topics from [3], but hope that since this is a topic which is rarely made explicit, these notes will be of some use. We assume the reader is familiar with the basic operations of multilinear algebra: tensor, symmetric, ...

Let a1, a2, . . . , ak be relatively prime, positive integers arranged in increasing order. Let Γ denote the positive integers in the set { a1x1 + a2x2 + · · ·+ akxk : xj ≥ 0 }. Let S(a1, a2, . . . , ak) . = {n / ∈ Γ : n+ Γ ⊆ Γ }. We determine S(a1, a2, . . . , ak) in the case where the aj’s are in arithmetic progression. In particular, this determines g(a1, a2, . . . , ak) in this particular c...

Existing peer-to-peer systems implement a single function well: data lookup. There is now a wealth of research describing how to reliably disseminate, and to later retrieve, data in a scalable and load-balanced manner. However, searching has received less attention. The current state of the art is to distribute inverted indexes in the name space. Intersection of distributed sets can be made mor...

Adenylate kinase (hereinafter referred to as AK) catalyzes a reversible high-energy phosphoryl transfer reaction between adenine nucleotides. The enzyme contributes to the homeostasis of cellular adenine nucleotide composition in addition to the nucleotide biosynthesis. So far, six AK isozymes, AK1, AK2, AK3, AK4, AK5, and AK6, were identified. AK1 is localized in neuronal processes, sperm tail...

LetHi be a finite dimensional complex Hilbert space of dimension di associated with a finite level quantum system Ai for i = i, 1, 2, . . . , k. A subspace S ⊂ H = HA1A2...Ak = H1 ⊗ H2 ⊗ . . . ⊗ Hk is said to be completely entangled if it has no nonzero product vector of the form u1 ⊗ u2 ⊗ . . . ⊗ uk with ui in Hi for each i. Using the methods of elementary linear algebra and the intersection t...

Aspartate kinase (AK) and homoserine dehydrogenase (HSDH) are enzymes in the aspartate-derived amino acid biosynthetic pathway. Recent biochemical evidence indicates that an AK-HSDH bifunctional enzyme exists in maize (Zea mays 1.). In this report, we characterize three genes that encode subunits of AK-HSDH. Two cDNAs, pAKHSDHl and pAKHSDH2, containing the fullcoding sequence, and one partial c...