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# 2004 preprints list [121 to 127]

**IC2004121**[abs, ps, pdf, tex]

**Phenomenological analysis of supersymmetric**X*σ*-models on coset spaces SO(10)/U(5) and E_{6}/[SO(10)**U(1)]**

by T.S. Nyawelo

Document info: Pages 28, Figures 0**IC2004122**[abs, ps, pdf, tex]

**Non-Maxwell relaxation in disordered media: Physical mechanisms and fractional relaxation equations**

by V.E. Arkhincheev

Document info: Pages 10, Figures 0**IC2004123**[abs, ps, pdf, tex]

**On the derivation of effective field theories**

by Dimo I. Uzunov

Document info: Pages 16, Figures 0**IC2004124**[abs, ps, pdf, tgz]

**Meissner phases in spin-triplet ferromagnetic superconductors**

by Diana V. Shopova and Dimo I. Uzunov

Document info: Pages 30, Figures 7**IC2004125**[abs, ps, pdf, tex]

**Fractional derivative and its application in mathematics and physics**

by Kh. Namsrai

Document info: Pages 30, Figures 0**IC2004126**[abs, ps, pdf, tex]

**Observations on the space of four dimensional string and***M*theory vacua

by B.S. Acharya

Document info: Pages 8, Figures 0**IC2004127**[abs, ps, pdf, tgz]

*M*theory and singularities of exceptional holonomy manifolds

by Bobby S. Acharya and Sergei Gukov

Document info: Pages 73, Figures 13

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