Search Results - "Stoichev, D."

Unitals in Projective Planes of Order 25 by Stoichev, Stoicho D., Gezek, Mustafa

“…In this paper, results of a non-exhaustive computer search for unitals in the known planes of order twenty-five are reported. The 2-(126, 6, 1) designs…”
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Characterization and catalytic activity of Cu–Co spinel thin films catalysts by Stefanov, P., Avramova, I., Stoichev, D., Radic, N., Grbic, B., Marinova, Ts

“…The Cu–Co mixed oxide catalysts were prepared on a La 2O 3/ZrO 2/SS support by thermal decomposition of nitrate precursors. The catalyst samples were…”
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Unital designs in planes of order 16 by Stoichev, Stoicho D., Tonchev, Vladimir D.

“…Results of a computer search for unitals in the known projective planes of order 16 are reported. Unitals are found in all planes. Thirty-eight non-isomorphic…”
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Thin-film coating of Cu-Co oxide catalyst on lanthana/zirconia films electrodeposited on stainless steel by Tyuliev, G., Panayotov, D., Avramova, I., Stoichev, D., Marinova, Ts

“…In this paper we report for the first time that lanthana/zirconia films, electrodeposited on a stainless steel substrate, are suitable for supporting a…”
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Isolation and Identification of Poplar Isoplastocyanins by Dimitrov, Mitko I., Donchev, Anthony A., Shosheva, Alexandra C., Getov, Vladimir I., Terezova, Nedyalka P., Stoichev, Svetozar D.

“…An improved four-stage isolation and purification procedure for preparing poplar isoplastocyanins is described in detail. Absorbance (UV-VIS) spectroscopy and…”
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Changes in the content of poplar isoplastocyanins a and b during vegetation cycle by Dimitrov, M. I, Donchev, A. A, Shosheva, A. Ch, Getov, V. I, Terezova, N. P, Stoichev, S. D

“…Changes in the content of isoplastocyanins a (PCa) and b (PCb) in Populus nigra leaves were studied during complete vegetation cycle (from April 30 to October…”
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Largest set of unitals in projective planes of order 16 by Stoichev, Stoicho D

“…In this article we present the largest set of unitals (totally 553) in projective planes of order 16. An open question is what is the number of the known…”
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Experimental Results of the Search for Unitals in Projective Planes of Order 25 by Stoichev, Stoicho D

“…In this paper we present the results from a program developed by the author that finds the unitals of the known 193 projective planes of order 25.. There are…”
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Vsep-New Heuristic and Exact Algorithms for Graph Automorphism Group Computation by Stoichev, Stoicho D

“…One exact and two heuristic algorithms for determining the generators, orbits and order of the graph automorphism group are presented. A basic tool of these…”
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Maximal arcs and disjoint maximal arcs in projective planes of order 16 by Hamilton, Nicholas, Stoichev, Stoicho D., Tonchev, Vladimir D.

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