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  • Cheng, C.; Feng, Z.; Su, Y. (Texas State University - San Marcos, 2012)
    In this article, we are concerned with the existence of positive solutions for nonlinear fractional differential equation whose nonlinearity contains the first-order derivative, $$\displaylines{ D_{0^+}^{\alpha}u(t)+ ...
  • Powell, M. (Mathematical Sciences Publishers, 2012)
    Let C be the topological knot concordance group of knots $S^{1} \subset S^{3}$ under connected sum modulo slice knots. Cochran, Orr and Teichner defined a filtration: \[C \supset F_{(0)} \supset F_{(0.5)} \supset F_{(1)} ...
  • Asadi, M.; Rhoades, B.E.; Soleimani, H. (Springer, 2012)
    In this article, we shall show that the metrics defined by Feng and Mao, and Du are equivalent. We also provide some examples for one of the metrics.
  • Kammer, Elizabeth (Indiana University Department of Mathematics, 2010)
    In natural logic, the goal is to create a system of logic that is as sim- ilar to natural language as possible. In order to build a natural logic, simple sentence forms are considered, slowly incorporating more ...
  • Geer, N.; Kashaev, R.; Turaev, V. (De Gruyter, 2012)
    We introduce systems of objects and operators in linear monoidal categories called $\hat{\Psi}$-systems. A $\hat{\Psi}$-system satisfying several additional assumptions gives rise to a topological invariant of triples (a ...
  • Ghadyali, Hamza; Dowlin, Nathan (Indiana University Department of Mathematics, 2010)
    Given a CAT(0) group G acting geometrically on a proper CAT(0) space, we attempt to demonstrate that any torsion subgroup of G has nite cardinality.

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