... and their derivatives have such a leaving group The carbonyl carbon in the carboxylic acid family bonds to at least one other electronegative group besides the carbonyl oxygen These electronegative ... by the reaction To this, they change the reaction conditions by using one of the following two approaches They remove one, or both, of the products as they form, particularly the water, or they ... protonated aldehydes and ketones The first two resonance contributors are equal in energy, but the third is only a minor contributor to the resonance The protonated carboxylic acid then adds the...
Ngày tải lên: 05/03/2014, 22:28
... − and p is the smallest prime divisor of n Then p S H=∅ n for any nontrivial subgroup H of G Proof For any nontrivial subgroup H of G, let ϕ : G → G/H be the natural homomorphism Then ϕ(S) is ... Ginzburg and A Ziv, Theorem in the additive number theory, Bull Res o Council Israel, 10 F(1961), 41-43 [2] W D Gao, R Thangadurai and J Zhuang, Addition theorems on the cyclic group Zpn , preprint ... prove the Conjecture for n which has only two distinct prime divisors Theorem The above Conjecture is true for n = pα q β where p, q are distinct primes and α, β are positive integers Proof of Theorem...
Ngày tải lên: 07/08/2014, 13:21
Báo cáo toán học: "Cayley graphs on the symmetric group generated by initial reversals have unit spectral gap" potx
... which G is the permutation group Sn There is a one-to-one correspondence between Irr(Sn ) and the set of all partitions of n A partition of n is if one is interested in multiplicities of the eigenvalues, ... (n) is the one–dimensional identity representation which yields one eigenvalue equal to |w| in R(w) We conclude this section with a remark concerning a connection between results like Theorem ... branching rule [11, Section 2.8] for the decomposition the electronic journal of combinatorics 16 (2009), #N29 of the restriction of an irreducible representation [α] of Sn to the subgroup Sn−1 This...
Ngày tải lên: 07/08/2014, 21:21
Báo cáo toán học: "Some design theoretic results on the Conway group ·0" pps
... analogous conditions for other elements of the group and to certain subgroups In Section we recall some notation along with the basic construction of the Leech lattice and the group ·0 In Section we ... in the λ position in the ith column and zeros in the other three positions, or we may complement this and place in the λth position and 1s in the other three positions We this for each of the ... have described the Curtis form of the MOG To obtain the Conway form of the MOG, also commonly found in the literature, one need only swap over the rightmost two columns the electronic journal of...
Ngày tải lên: 08/08/2014, 11:20
Báo cáo toán học: "On the automorphism group of integral circulant graphs" docx
... question from [23] about the ratio of the size of the automorphism group of Xn and the size of the group of affine automorphisms of Xn In addition, we determine the size of the automorphism group ... in [17], the graph Xn (D) is connected if and only if gcd(d1 , d2 , , dk ) = In the characterization of the automorphism group, we will use the concept of wreath product (similar as the lexicographical ... graph theory) [27] Definition 2.1 Let G and H be permutation groups acting on X and Y , respectively We define the wreath product of G and H, denoted G ≀ H, to be the permutation group that acts on...
Ngày tải lên: 08/08/2014, 14:22
Báo cáo toán học: "A Note on the Critical Group of a Line Graph" doc
... is the k-torsion subgroup of K(LG, e∗ ) These results appear as Theorem and may be seen as analogous to Theorem 1.2 of [3] In [3], partially for convenience, some assumptions are made about the ... question affirmatively by demonstrating a surjection K(LG, e∗ ) → K(G, w∗ ) Further, in the case in which the out-degree of each vertex of G is a fixed integer k, we show the kernel of this surjection ... that if e∗ = (w∗ , v∗ ), then κ(G, w∗ ) divides κ(LG, e∗ ) under the hypotheses of our Theorem This leads him to ask the natural question as to whether K(G, w∗ ) is a subgroup or quotient of K(LG,...
Ngày tải lên: 08/08/2014, 14:23
on the fundamental group of noncompact manifolds with nonnegative ricci curvature
... then M is compact and has finite fundamental group If we weaken the hypothesis of the Bonnet-Myers Theorem the conclusions no longer hold For example, the paraboloid {(x, y, z) ∈ R3 : z = x2 + y ... Section 3.1 In the third part we give bounds on the number of generators of the fundamental group under some natural geometric conditions In fact, we show that the fundamental group of these ... see the first object which is then removed from your view and then you are shown the second object You are then asked whether the two objects look alike To answer the question you compare the...
Ngày tải lên: 13/11/2014, 09:08
congruences among automorphic forms on the unitary group u(2,2)
Ngày tải lên: 13/11/2014, 16:11
BÀI LUẬN TIẾNG ANH HAY describe what you think it would be like to spend some time on the moon
Ngày tải lên: 20/08/2015, 00:38
ON THE AUTOMORPHISM GROUP OF A CERTAIN INFINITE TYPE DOMAIN IN C 2
... compact set nonempty interior, and choose L > Then there exists C = C(K, L) > such that for any negative plurisubharmonic function u in Ω satisfying the condition u(z) < −L on K, the following ... near z0 ∈ bD Then D has the t -property at z0 for some > (cf [10, 27]) Moreover, a computation shows that the strong t -property at z0 In addition, D satisfies the local condition R at z0 (cf ... type model This section is devoted to the proof of Theorem Assume that P : C → R is a C ∞ -smooth function satisfying (i) and (ii) as in Introduction Then we consider a nontrivial holomorphic...
Ngày tải lên: 12/10/2015, 16:26
Exercises on the Relative Pronoun
... played the violin all night …… annoyed the neighbors When the mechanic opened the bonnet he saw at once ………… was wrong with the car I didn't buy anything because I didn't see ………… I wanted They ... didn't drink He saw what was the matter and wasn't sympathetic 26 In the afternoon he rang Tom and asked why the report still hadn't arrived The report should have been on his desk by o'clock 27 ... each of the gaps in the following sentences with one of the following words: however, whatever, whenever, wherever, whichever, whoever .you do, don't mention my name (I particularly don't want...
Ngày tải lên: 07/11/2013, 01:11
Đề tài " Harmonic analysis on the infinite-dimensional unitary group and determinantal point processes " doc
... in a convex set X consisting of certain positive definite functions on the group In our concrete situation, the elements of the set X are positive definite functions on U(∞), constant on conjugacy ... through the correlation kernel of the original process Thus, one way to obtain the correlation functions for the two-component log-gas is to apply the complementation principle to the (one-component) ... By Proposition 5.3 the kernel K describes the correlation functions of the L-ensemble in question On the other hand, the same correlation functions are also expressed in terms of the kernel (K...
Ngày tải lên: 06/03/2014, 08:21
Report of the Task Group on Social Audit potx
... special purpose agencies set up by the Government for implementation of specific schemes. New Accountability Concerns The shift in devolution of funds and functions towards PRIs and ULBs has been the result of the 73rd and the 74th Amendments to the Constitution and the recommendations of the XI ... the 73rd and the 74th Amendments to the Constitution and the recommendations of the XI Finance Commission. Further, Central Government has been entrusting the implementation of various socio‐economic developmental schemes to autonomous agencies/societies. More ... of the audits by the CAG of India. On our part, one of the biggest limitations of not being able to reach the beneficiaries for their perception and verification of delivery of the programmes, including the existence of the community assets ...
Ngày tải lên: 15/03/2014, 20:20
Báo cáo khoa học: Isothermal unfolding studies on the apo and holo forms of Plasmodium falciparum acyl carrier protein Role of the 4¢-phosphopantetheine group in the stability of the holo form of Plasmodium falciparum acyl carrier protein docx
... contrasting reports about the interaction of the 4Â-PP group with the polypeptide backbone and its effect on the stability of holo-ACP The average major conformation of the holo-ACP NMR structure ... hydrogen bonds The 4Â-PP group is linked to the protein by the Ser37 O-c atom Only residues 3138 of the protein make extensive contacts with the cofactor For the sake of better understanding of the ... elucidates the interactions responsible for the conformational stability of PfACP The size exclusion chromatography prole of PfACP showed that the apparent molecular mass of PfACP monomer is 25...
Ngày tải lên: 16/03/2014, 10:20
Reforming Internet Govermernance- Perspectives from the Working Group on Internet Governance pptx
... in the success of the process Much of the work done by the WGIG on problem definition and deconstruction is contained in the Background Report rather than in the Main Report of the Group The ... To that they had to listen and respond to the doubts and questions raised Instead of talking at one another, the members started talking with one another The members of the group were there as ... of the WSIS, and to prepare the ground for the second phase in Tunis In doing so, they put a new issue on the agenda of international cooperation Hence, the negotiations focused on process rather...
Ngày tải lên: 22/03/2014, 21:20
Báo cáo khoa học: A monoclonal antibody, PGM34, against 6-sulfated blood-group H type 2 antigen, on the carbohydrate moiety of mucin doc
... Position Ac-CH3 b-Gal3 a Position Position Position Position Position Position b-Gal2,4 a Position Position Position Position Position Position a-Fuc2,3 a Position Position Position Position Position ... glycosylation or sulfation shift, respectively ND, Not determined A1-5b Sugar GalNAc-ol Position Position Position Position Position Position Ac-CH3 b-GlcNAc Position Position Position Position Position ... isocratic conditions The absorption was monitored at 210 nm The arrows indicate the elution positions of A1-5a and 5b (B) The antigenic activities of various amounts of the oligosaccharides from these...
Ngày tải lên: 23/03/2014, 09:21
Influence of phenolic group content in lignin expanders on the performance of negative lead–acid battery plates pdf
... phenolic content, whereas during the second test, the capacity depends but slightly on the phenolic group content The dependencies of U3000 and CCA capacity on the content of phenolic groups in the ... to the formation of various metal–organic compounds with different impact on this parameter Another reason for the formation of these two regions can be the content of carboxyl groups in the ... the influence of other functional groups in the lignin structure [2] In this particular case [2], the effect of the other functional groups is stronger than that of phenolic groups and hence they...
Ngày tải lên: 05/07/2014, 21:20
EXERCISES ON THE REDUCED FORMS OF RELATIVE CLAUSES
... 12 Here’s an umbrella to use if it rains 13 Is there anything for her to read on the plane 14 He’s got a briefcase to keep his important papers in THE END ... 9 There’re five pairs of socks to put in 10 He’s got a safe pocket to keep his passport in 11 Here’s some small change for you to tip the porters 12 Here’s an umbrella...
Ngày tải lên: 13/07/2014, 00:01
Báo cáo toán học: "Remarks on the singular extension in the C*-algebra of the Heisenberg group " docx
Ngày tải lên: 05/08/2014, 10:20